Search found 78 matches
- Tue Mar 17, 2020 8:25 pm
- Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
- Topic: Ion Selective Electrode
- Replies: 6
- Views: 581
Ion Selective Electrode
What is an ion-selective electrode?
- Tue Mar 17, 2020 8:24 pm
- Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
- Topic: pH meter
- Replies: 11
- Views: 700
pH meter
What is the function of a pH meter and how does it work?
- Tue Mar 17, 2020 8:23 pm
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Work+Gibbs Free Energy
- Replies: 3
- Views: 355
Work+Gibbs Free Energy
How does work relate to Gibbs Free Energy?
- Sun Mar 15, 2020 4:33 pm
- Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
- Topic: Concentrations
- Replies: 8
- Views: 703
Concentrations
How is the voltage of a galvanic cell affected by anode/cathode concentration?
- Sun Mar 15, 2020 4:26 pm
- Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
- Topic: Glass Electrode
- Replies: 5
- Views: 417
Glass Electrode
What is a glass electrode?
- Sun Mar 15, 2020 4:24 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Reverse reaction rate?
- Replies: 4
- Views: 483
Reverse reaction rate?
How do you find the reverse reaction rate of a reaction?
- Sun Mar 15, 2020 4:21 pm
- Forum: General Rate Laws
- Topic: Overall Order
- Replies: 6
- Views: 422
Overall Order
How do you get the overall order of a reaction?
- Sun Mar 15, 2020 4:16 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Fast Reactions
- Replies: 4
- Views: 397
Fast Reactions
Why aren't fast reactions included in rate laws?
- Sun Mar 08, 2020 9:57 pm
- Forum: Kinetics vs. Thermodynamics Controlling a Reaction
- Topic: Instantaneous Rate
- Replies: 41
- Views: 2236
Instantaneous Rate
How does the instantaneous rate react as the reaction proceeds?
- Sun Mar 08, 2020 9:56 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Catalysts
- Replies: 8
- Views: 514
Catalysts
How do catalysts lower the activation energy of the transition state?
- Sun Mar 08, 2020 9:55 pm
- Forum: Arrhenius Equation, Activation Energies, Catalysts
- Topic: Temperature
- Replies: 4
- Views: 286
Temperature
How is temperature related to the activation energy?
- Sun Mar 08, 2020 9:53 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Molecularity and rate laws
- Replies: 5
- Views: 429
Molecularity and rate laws
How is molecularity related to the order of a reaction rate law?
- Sun Mar 08, 2020 9:50 pm
- Forum: Reaction Mechanisms, Reaction Profiles
- Topic: Molecularity
- Replies: 3
- Views: 243
Molecularity
What is molecularity?
- Fri Feb 28, 2020 10:33 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Is it spontaneous?
- Replies: 4
- Views: 344
Is it spontaneous?
How does a chemical reaction proceed when the Ecell=0 and K=0? Is it spontaneous or not?
- Fri Feb 28, 2020 10:31 am
- Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
- Topic: Electrolysis
- Replies: 1
- Views: 182
Electrolysis
How do multiple reducible species react within an electrolytic system?
- Fri Feb 28, 2020 10:28 am
- Forum: Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust
- Topic: Preventing Corrosion
- Replies: 2
- Views: 220
Preventing Corrosion
How and why does galvanizing a metal help to prevent the corrosion of metals?
- Fri Feb 28, 2020 10:26 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: Spontaneous reactions
- Replies: 6
- Views: 478
Spontaneous reactions
Does the chemical reaction being spontaneous increase or decrease cell potential?
- Fri Feb 28, 2020 10:25 am
- Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
- Topic: EMF
- Replies: 1
- Views: 178
EMF
How does electromotive force relate to cell potential?
- Tue Feb 18, 2020 1:09 pm
- Forum: Balancing Redox Reactions
- Topic: Balancing Basic Solutions
- Replies: 2
- Views: 263
Balancing Basic Solutions
For a basic solution, why do we balance H by adding H20 to one side and OH- to the other?
- Tue Feb 18, 2020 1:05 pm
- Forum: Balancing Redox Reactions
- Topic: Finding charge
- Replies: 2
- Views: 255
Finding charge
How can you know the charge of a compound in a redox reaction?
- Wed Feb 12, 2020 9:29 am
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: thermodynamically stable
- Replies: 6
- Views: 447
Re: thermodynamically stable
Thermodynamically stable means that the reaction is spontaneous. Thus, when △G is negative, it is thermodynamically stable.
- Wed Feb 12, 2020 9:23 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Strong Acids
- Replies: 2
- Views: 217
Re: Strong Acids
Strong acids also have large Ka values and small pKa values.
- Wed Feb 12, 2020 9:16 am
- Forum: Calculating Work of Expansion
- Topic: Determining Expansion Work
- Replies: 4
- Views: 637
Determining Expansion Work
How can you tell whether a system does expansion work by just looking at the gas moles on both sides of the equation?
- Wed Feb 12, 2020 9:11 am
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Bond Enthalpy
- Replies: 2
- Views: 184
Bond Enthalpy
Why do we subtract the bond enthalpy of the products from the reactants?
- Wed Feb 12, 2020 9:07 am
- Forum: Concepts & Calculations Using Second Law of Thermodynamics
- Topic: Delta S
- Replies: 6
- Views: 364
Re: Delta S
The change in entropy of the surroundings is the same as the change in entropy of the system.
- Sat Feb 08, 2020 11:37 am
- Forum: Concepts & Calculations Using Second Law of Thermodynamics
- Topic: Entropy of the system and surrounding
- Replies: 2
- Views: 187
Re: Entropy of the system and surrounding
I visualized this in terms of an ice cube in a warm cup of water. Two things are happening in this process. The ice cube is melting, so q for the ice cube would be positive beccause it is absorbing energy. The warm water is getting colder, so q would be negative, because it is releasing energy. △Sto...
- Sat Feb 08, 2020 11:26 am
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Bomb Calorimeter Differences
- Replies: 2
- Views: 87
Re: Bomb Calorimeter Differences
From the homework, I've noticed that these types of question tend to ask you to find q, △H ,or, △U. I find it helpful to keep in mind that for constant volume, △U=q and for constant pressure, △H=q.
- Thu Feb 06, 2020 2:14 am
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Bond Enthalpies
- Replies: 4
- Views: 141
Bond Enthalpies
I notice that in some problems from the homework, specific bonds within molecules aren't included when calculating the bond enthalpies. Why is that and how can I watch out for those that I should not include?
- Thu Feb 06, 2020 2:11 am
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: Elements/Standard Enthalpies of Formation
- Replies: 1
- Views: 78
Elements/Standard Enthalpies of Formation
Why aren't elements included when calculating the standard enthalpy of formation?
- Mon Feb 03, 2020 1:38 pm
- Forum: Gibbs Free Energy Concepts and Calculations
- Topic: Thermodynamic Stability
- Replies: 1
- Views: 59
Thermodynamic Stability
Why is a compound considered to be thermodynamically stable when △G°is negative and thermodynamically unstable when △G°is positive?
- Sun Feb 02, 2020 10:29 pm
- Forum: Entropy Changes Due to Changes in Volume and Temperature
- Topic: Changes in pressure
- Replies: 2
- Views: 108
Re: Changes in pressure
Lower pressure leads to an increase in positional disorder of the atoms as a gas is compressed.
- Sun Feb 02, 2020 10:25 pm
- Forum: Concepts & Calculations Using Second Law of Thermodynamics
- Topic: Second Law and Biological Examples
- Replies: 1
- Views: 64
Second Law and Biological Examples
Please explain the Second Law of Thermodynamics in relation to biological and organic reactions.
- Sun Feb 02, 2020 10:16 pm
- Forum: Concepts & Calculations Using First Law of Thermodynamics
- Topic: Work and Heat
- Replies: 2
- Views: 73
Work and Heat
Why aren't work and heat state functions?
- Sun Feb 02, 2020 10:11 pm
- Forum: Thermodynamic Definitions (isochoric/isometric, isothermal, isobaric)
- Topic: Adiabatic Wall
- Replies: 3
- Views: 199
Adiabatic Wall
Does an adiabatic affect how much energy a reaction gives off?
- Sun Feb 02, 2020 10:07 pm
- Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
- Topic: State Property
- Replies: 5
- Views: 192
State Property
What is the relationship between state property and enthalpy?
- Fri Jan 24, 2020 10:04 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Irreversible Expansion
- Replies: 4
- Views: 271
Irreversible Expansion
What is irreversible expansion?
- Fri Jan 24, 2020 10:03 pm
- Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
- Topic: Reversible Expansion
- Replies: 2
- Views: 75
Reversible Expansion
What is reversible expansion?
- Wed Jan 22, 2020 1:22 pm
- Forum: Phase Changes & Related Calculations
- Topic: enthalpy
- Replies: 2
- Views: 69
Re: enthalpy
Steam causes severe burns because the enthalpy of vaporization is really large for water, and thus steam carries a lot of heat from the 100 degree Celsius point.
- Tue Jan 21, 2020 6:57 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Second Ionization in Polyprotic Acid Solutions
- Replies: 2
- Views: 74
Second Ionization in Polyprotic Acid Solutions
Why is the second ionization ignored if Ka2<Ka1?
- Tue Jan 21, 2020 6:55 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Difference between K and Kc
- Replies: 1
- Views: 42
Re: Difference between K and Kc
K refers to the ratio of products to a reactants in a chemical equilibrium equation when using only partial pressures. However, if you have an equation with an aqueous solution, Kc would be used because you would be determining the ratio of products to reactants in molar concentrations. I would reco...
- Fri Jan 17, 2020 7:48 am
- Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
- Topic: inert gas added
- Replies: 4
- Views: 151
Re: inert gas added
Adding an inert gas does not have any effect because the volume doesn't change. To shift a reaction the volume must be decreased, and consequently, the pressure will increase.
- Fri Jan 17, 2020 7:43 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: K comparison
- Replies: 4
- Views: 214
Re: K comparison
If a K is less than 10^-3, it just means that the reactants are strongly favored and if K is greater than 10^3 it means that the products are strongly favored.
- Wed Jan 15, 2020 8:55 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Acids and Base Equilibria
- Replies: 4
- Views: 184
Re: Acids and Base Equilibria
Additionlly, a strong acid wil have a small pKa value and a strong base will have a small pKb value.
- Tue Jan 14, 2020 8:03 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Weak Bases and Acids
- Replies: 2
- Views: 86
Weak Bases and Acids
Is there some point that the Ka and Kb values reach for an acid or base to be considered weak?
- Mon Jan 13, 2020 8:51 am
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: intermediate values of K
- Replies: 3
- Views: 102
Re: intermediate values of K
And if K<1, the reaction favors reactants, with 10^-3 being the point at which the reaction strongly favors reactants. K>1 means that the reaction favors products with 10^3 being the point at which the reaction strongly favors products.
- Fri Jan 10, 2020 9:38 am
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Q and relation of [R] to [P]
- Replies: 5
- Views: 379
Q and relation of [R] to [P]
For Q<K, why is [R]>[P] and for Q>K, why is [P]>[R]?
- Thu Jan 09, 2020 5:06 pm
- Forum: Ideal Gases
- Topic: K based on phases
- Replies: 4
- Views: 271
Re: K based on phases
You can find the equilibrium constant for reactants and products if they are gas and/or aqueous.
- Wed Jan 08, 2020 1:13 pm
- Forum: Non-Equilibrium Conditions & The Reaction Quotient
- Topic: Reaction Quotient > Equilibrium Constant
- Replies: 4
- Views: 208
Re: Reaction Quotient > Equilibrium Constant
I think of it in terms of the reaction needing to accommodate the decrease in reactant concentration in relation to the concentration of the products, so it needs more reactants so that the equilibrium constant is retained.
- Tue Jan 07, 2020 4:54 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Q vs K
- Replies: 13
- Views: 496
Re: Q vs K
The reaction quotient Q describes the ratio of products to reactants when the reaction in a non-equilibrium state. K describes the same thing only when the reaction is at equilibrium.
- Mon Jan 06, 2020 1:11 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Determining Equilibrium Reaction Direction
- Replies: 4
- Views: 173
Determining Equilibrium Reaction Direction
When determining the direction of an equilibrium reaction, how do you know whether to use 10^3/10^-3 or 1 as a comparison to K? I've seen both 1 and 10^3/10^-3 being used.
- Mon Jan 06, 2020 1:10 pm
- Forum: Equilibrium Constants & Calculating Concentrations
- Topic: Determining Equilibrium Reaction Direction
- Replies: 3
- Views: 160
Determining Equilibrium Reaction Direction
When determining the direction of an equilibrium reaction, how do you know whether to use 10^3/10^-3 or 1 as a comparison to K? I've seen both 1 and 10^3/10^-3 being used.
- Sun Nov 24, 2019 5:08 pm
- Forum: Lewis Acids & Bases
- Topic: Lewis and Bronsted
- Replies: 5
- Views: 381
Re: Lewis and Bronsted
Lewis and Bronsted acids and bases are interchangeable. A Lewis acid accepts an electron pair and a Bronsted acid donates a proton. Both types are acids whose overall charges decrease. A Lewis base donates an electron pair and a Bronsted base accepts a proton. So, the charges of both types increase.
- Sun Nov 24, 2019 5:02 pm
- Forum: Lewis Acids & Bases
- Topic: carboxyl group COOH
- Replies: 3
- Views: 251
Re: carboxyl group COOH
The H+ ion in the compound can be donated to a base.
- Sun Nov 24, 2019 4:57 pm
- Forum: Properties & Structures of Inorganic & Organic Acids
- Topic: Why are inorganic acids stronger?
- Replies: 8
- Views: 1311
Re: Why are inorganic acids stronger?
Inorganic compounds are more likely to completely deprotonate.
- Sun Nov 24, 2019 4:53 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Oxidation states
- Replies: 6
- Views: 410
Re: Oxidation states
Also, when you're naming the complex, it might be helpful to find the determine the overall charge first.
- Sun Nov 24, 2019 4:49 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Chelating Complex
- Replies: 3
- Views: 194
Chelating Complex
How can you tell if a compound is a chelate by just looking at its formula?
- Fri Nov 08, 2019 3:13 pm
- Forum: *Liquid Structure (Viscosity, Surface Tension, Liquid Crystals, Ionic Liquids)
- Topic: Bonds vs Shapes [ENDORSED]
- Replies: 4
- Views: 1260
Re: Bonds vs Shapes [ENDORSED]
The more bonds a molecule has, the harder it is to break apart. So the boiling point of a molecule would increase if there were more bonds because it takes more energy to break the molecule apart.
- Fri Nov 08, 2019 3:10 pm
- Forum: Octet Exceptions
- Topic: Octet Rule exceptions
- Replies: 14
- Views: 861
Re: Octet Rule exceptions
Some of the elements in the d block have unfilled orbitals. So it depends on the orbital.
- Fri Nov 08, 2019 3:02 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: VESPR
- Replies: 5
- Views: 367
Re: VESPR
The addition of a lone pair creates repulsion between the electrons, thus changing the bond angles in a way in which minimal energy is used.
- Fri Nov 08, 2019 2:59 pm
- Forum: Resonance Structures
- Topic: Bond lengths
- Replies: 11
- Views: 411
Re: Bond lengths
The bond lengths are all the same in the resonance structure because the structures all approximate the actual structure that is supposed to form. That is, the resonance structures are a mix of structures close to the actual structure.
- Fri Nov 08, 2019 2:56 pm
- Forum: Lewis Structures
- Topic: Favorable Bonds
- Replies: 5
- Views: 244
Re: Favorable Bonds
To form an octet, oxygen needs 2 electrons while nitrogen needs 3. But unless the atom(s) they're bonded to is specified, the more bonds the harder it is to break the molecule.
- Mon Oct 21, 2019 8:16 pm
- Forum: Trends in The Periodic Table
- Topic: Effective Nuclear Charge
- Replies: 7
- Views: 259
Effective Nuclear Charge
Can anyone explain what effective nuclear charge means and how it contributes to a decrease in atomic radius across a period?
- Sun Oct 20, 2019 7:47 pm
- Forum: Trends in The Periodic Table
- Topic: Trends in Electron Affinity
- Replies: 3
- Views: 234
Re: Trends in Electron Affinity
As you go up and to the right, electron affinity increases as the atoms get more electronegative and are thus more likely to attract electrons. For example, oxygen is more electronegative and more likely to attract electrons than hydrogen. Oxygen is farther to the right in the periodic table and hog...
- Sun Oct 20, 2019 7:42 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Orbitals and Quantum Levels
- Replies: 4
- Views: 215
Re: Orbitals and Quantum Levels
The electron's path just gets further from the nucleus.
- Sun Oct 20, 2019 7:39 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Atomic orbitals
- Replies: 5
- Views: 198
Re: Atomic orbitals
The probability of electron density is the likelihood that an electron is in a certain location or orbital.
- Sun Oct 20, 2019 7:36 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Problem 1a.11
- Replies: 3
- Views: 162
Re: Problem 1a.11
What's common between them is that the electrons move closer to the nucleus in every case. So, they always move to lower energy levels.
- Sun Oct 20, 2019 7:31 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: s-, p-, d- ,f- orbitals
- Replies: 10
- Views: 489
Re: s-, p-, d- ,f- orbitals
"2" describes the shell, "p" describes the subshell, while the subscripts (x,y,z) tell you what axis.
- Sun Oct 13, 2019 10:55 pm
- Forum: Photoelectric Effect
- Topic: Photoelectric Effect
- Replies: 3
- Views: 217
Re: Photoelectric Effect
Light also has particle-like properties as a stream of electromagnetic energy consisting of photons. Light can be absorbed or emitted in quantized or discrete values.
- Sun Oct 13, 2019 10:50 pm
- Forum: Photoelectric Effect
- Topic: Frequency vs. Amplitude: Intensity?
- Replies: 3
- Views: 114
Re: Frequency vs. Amplitude: Intensity?
Amplitude contributes to the intensity of a wave. Thus amplitude has no contribution to the photoelectric effect because of its relation to intensity. Frequency is most important to the photoelectric effect.
- Sun Oct 13, 2019 10:47 pm
- Forum: Properties of Electrons
- Topic: Energy levels
- Replies: 4
- Views: 141
Re: Energy levels
The energy levels are infinite. What separates the elements is that specific amounts of energy are required for different atoms to absorb or emit photons.
- Sun Oct 13, 2019 10:31 pm
- Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
- Topic: When to use the Bohr Frequency Condition?
- Replies: 3
- Views: 152
Re: When to use the Bohr Frequency Condition?
The Bohr frequency condition demonstrates an electron's transition between energy levels. Differences in energy levels are given off as photons and only photons of certain energy are given off exactly matching the energy level difference.
- Sun Oct 13, 2019 10:18 pm
- Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
- Topic: Rydberg equation [ENDORSED]
- Replies: 73
- Views: 9018
Re: Rydberg equation [ENDORSED]
The Rydberg equation is used to find the wavelength of light as it is absorbed or emitted, and electrons move between energy levels.
- Thu Oct 03, 2019 4:51 pm
- Forum: Significant Figures
- Topic: Does molar mass count for sig figs?
- Replies: 6
- Views: 3034
Re: Does molar mass count for sig figs?
It's your final answer to a problem that counts for sig figs. However, to ensure that your final answer is accurate, I would keep the molar mass and other calculations in between in their longest form as evident on the periodic table and then use sig figs for your final answer.
- Thu Oct 03, 2019 4:46 pm
- Forum: Balancing Chemical Reactions
- Topic: "Combustion" Term
- Replies: 8
- Views: 394
Re: "Combustion" Term
Combustion means burning a substance in the presence of oxygen. This is a chemical reaction that produces CO2 and H20.
- Thu Oct 03, 2019 4:44 pm
- Forum: Properties of Light
- Topic: Properties of light in class
- Replies: 3
- Views: 166
Re: Properties of light in class
Hertz is essentially the number of cycles or wavelengths per second. Wave frequency is expressed through these units. We can find frequency by dividing the velocity by the wavelength.
- Thu Oct 03, 2019 3:58 pm
- Forum: Limiting Reactant Calculations
- Topic: Percentage Yields
- Replies: 8
- Views: 568
Re: Percentage Yields
A percentage yield means how much you get in reality compared to what you thought you were going to get. In a perfect world and lab setting, the actual yield would be equal to the theoretical yield. However, due to somewhat unavoidable factors, the actual yield will always be less than the theoretic...
- Wed Oct 02, 2019 1:59 pm
- Forum: Student Social/Study Group
- Topic: Study Group Fall 2019
- Replies: 32
- Views: 2814
Re: Study Group Fall 2019
Also interested!
- Wed Oct 02, 2019 1:57 pm
- Forum: Molarity, Solutions, Dilutions
- Topic: Please clarify what M means
- Replies: 5
- Views: 348
Please clarify what M means
The beginning of a problem states that a solution is diluted with 1.00 L of 0.4M potassium chloride. Does 0.4M stand for 0.4 mols or O.4 mols/L (molarity)?