Search found 76 matches

by Gisselle Sainz 2F
Sat Mar 16, 2019 10:40 am
Forum: Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams
Topic: Cell Diagram - Water
Replies: 2
Views: 44

Re: Cell Diagram - Water

Water is not included in a cell diagram
by Gisselle Sainz 2F
Sat Mar 16, 2019 10:38 am
Forum: Work, Gibbs Free Energy, Cell (Redox) Potentials
Topic: Ecell
Replies: 3
Views: 192

Re: Ecell

A more positive Ecell is more spontaneous and, therefore, more favorable.
by Gisselle Sainz 2F
Sat Mar 16, 2019 10:35 am
Forum: Heat Capacities, Calorimeters & Calorimetry Calculations
Topic: ∆H and q [ENDORSED]
Replies: 6
Views: 213

Re: ∆H and q [ENDORSED]

At constant pressure
by Gisselle Sainz 2F
Sun Mar 10, 2019 8:07 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

...
by Gisselle Sainz 2F
Sun Mar 10, 2019 8:06 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

...
by Gisselle Sainz 2F
Sun Mar 10, 2019 8:02 pm
Forum: Ideal Gases
Topic: How do I know what is an Ideal Gas
Replies: 11
Views: 178

Re: How do I know what is an Ideal Gas

Usually a problem will explicitly mention something as an ideal gas so we most likely won't need to identify it on our own.
by Gisselle Sainz 2F
Sun Mar 03, 2019 8:12 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Q: What do chemists call a benzene ring with iron atoms replacing the carbon atoms?
A: A ferrous wheel:
Fe - Fe
/ \
Fe Fe
\ /
Fe - Fe
by Gisselle Sainz 2F
Sun Mar 03, 2019 8:10 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Do you have mole problems? If so, call Avogadro at 602-1023
by Gisselle Sainz 2F
Sun Mar 03, 2019 8:04 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Did you hear oxygen went on a date with potassium?
It went OK.
by Gisselle Sainz 2F
Sat Feb 23, 2019 5:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

A proton and a neutron were walking down the street. The proton says, "Stop, I dropped an electron. Help me look for it." The neutron asks, "Are you sure?" The proton replies, "Yes, I'm positive."
by Gisselle Sainz 2F
Sat Feb 23, 2019 5:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Why was the mole of oxygen molecules excited when he left the singles bar? He got Avogadro's number!
by Gisselle Sainz 2F
Sat Feb 23, 2019 5:21 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

A neutron walks into a shop and says,"I"d like a coke."
The shopkeeper serves up the coke.
"How much will that be?" asks the neutron.
The shopkeeper replies, "For you? No charge."
by Gisselle Sainz 2F
Sun Feb 17, 2019 10:13 pm
Forum: Concepts & Calculations Using First Law of Thermodynamics
Topic: Work done vs work on system
Replies: 18
Views: 711

Re: Work done vs work on system

When work is done on the system, work is positive.
When the system does work, work is negative.
by Gisselle Sainz 2F
Sun Feb 17, 2019 10:07 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

.
by Gisselle Sainz 2F
Sun Feb 17, 2019 10:06 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

...
by Gisselle Sainz 2F
Sun Feb 17, 2019 10:05 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

...
by Gisselle Sainz 2F
Sun Feb 17, 2019 10:04 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

...
by Gisselle Sainz 2F
Sun Feb 17, 2019 10:02 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

A HUG without "U" would be toxic
by Gisselle Sainz 2F
Sun Feb 03, 2019 4:23 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Every dipole has its moment
by Gisselle Sainz 2F
Sun Feb 03, 2019 4:22 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

What is a cation afraid of? A dogion.
by Gisselle Sainz 2F
Wed Jan 30, 2019 9:05 am
Forum: Phase Changes & Related Calculations
Topic: 101.325 J/(L . atm)
Replies: 2
Views: 44

Re: 101.325 J/(L . atm)

Thank you
by Gisselle Sainz 2F
Wed Jan 30, 2019 12:18 am
Forum: Phase Changes & Related Calculations
Topic: 101.325 J/(L . atm)
Replies: 2
Views: 44

101.325 J/(L . atm)

Is 101.325 J/ (L. atm) used to convert L.atm to Joules? Where did this proprotion come from?
by Gisselle Sainz 2F
Wed Jan 23, 2019 4:22 pm
Forum: Reaction Enthalpies (e.g., Using Hess’s Law, Bond Enthalpies, Standard Enthalpies of Formation)
Topic: State property
Replies: 3
Views: 49

Re: State property

Any variable that can be measured by subtracting the amount of its initial state from the amount of its final state
by Gisselle Sainz 2F
Tue Jan 22, 2019 4:12 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Salt on Test 1
Replies: 5
Views: 126

Re: Salt on Test 1

Thank you
by Gisselle Sainz 2F
Mon Jan 21, 2019 5:38 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Salt on Test 1
Replies: 5
Views: 126

Re: Salt on Test 1

How can we identify whether something is a salt?
by Gisselle Sainz 2F
Mon Jan 21, 2019 4:55 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Salt on Test 1
Replies: 5
Views: 126

Salt on Test 1

Will we be tested on salts this week?
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:42 am
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Kp vs Kc
Replies: 7
Views: 89

Re: Kp vs Kc

I think so..
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:41 am
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Lecture notes
Replies: 2
Views: 694

Re: Lecture notes

The order of the pages are accidently reverse on my post. The last photo is the first page of notes and so on..
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:40 am
Forum: Applying Le Chatelier's Principle to Changes in Chemical & Physical Conditions
Topic: Lecture notes
Replies: 2
Views: 694

Re: Lecture notes

These are the notes from Friday 01/18/19
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:28 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Did you hear about oxygen’s date with potassium?
It went OK.
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:27 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Did you hear the one about cobalt, radon, and yttrium?
It was CoRnY.
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:26 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Q: What do you call a wheel made of iron?
A: A ferrous wheel.
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:25 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Q: Why do chemists enjoy working with ammonia?
A: Because it's pretty basic stuff.
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:25 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Q: What do you call a tooth in a glass of water?
A: One molar solution.
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:24 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Q: What did the scientist say when he found 2 isotopes of helium?
A: HeHe
by Gisselle Sainz 2F
Mon Jan 21, 2019 10:24 am
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Two chemists go into a restaurant.
The first one says "I think I'll have an H2O."
The second one says "I think I'll have an H2O too" -- and he died.
by Gisselle Sainz 2F
Fri Jan 18, 2019 6:41 pm
Forum: Ideal Gases
Topic: #47 on Chemical Equilibrium 1B Video Module Assessment
Replies: 3
Views: 81

Re: #47 on Chemical Equilibrium 1B Video Module Assessment

I got 0.00192 atm, 0.0137 atm, and 0.0237 atm as my answers but they're aren't exactly any of the answer choices listed. Why would my answers be two decimal points off?
by Gisselle Sainz 2F
Mon Jan 14, 2019 11:38 pm
Forum: Ideal Gases
Topic: #47 on Chemical Equilibrium 1B Video Module Assessment
Replies: 3
Views: 81

#47 on Chemical Equilibrium 1B Video Module Assessment

How do you solve for the partial pressures in this problem?
by Gisselle Sainz 2F
Mon Jan 14, 2019 12:00 am
Forum: Student Social/Study Group
Topic: New to Lavelle
Replies: 32
Views: 662

Re: New to Lavelle

I personally like to go to the UA sessions, AAP peer learning sessions, watch the online modules, and assigned problems from the textbook
by Gisselle Sainz 2F
Sun Jan 13, 2019 11:58 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7437
Views: 987408

Re: Post All Chemistry Jokes Here

Wanna hear a joke about potassium? K.
by Gisselle Sainz 2F
Sun Jan 13, 2019 10:43 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: HW PROBELM 1 PART D
Replies: 4
Views: 83

Re: HW PROBELM 1 PART D

Since Kc is always constant at the same temperature, considering how K is equal to the concentration of products over the concentration of reactants, if we increase [P] then [R] is also increased naturally in order to maintain the same equilibrium constant.
by Gisselle Sainz 2F
Wed Jun 13, 2018 12:52 pm
Forum: Calculating pH or pOH for Strong & Weak Acids & Bases
Topic: French Toast Number 27 Part B
Replies: 4
Views: 254

Re: French Toast Number 27 Part B

After doubling the molarity, I still didn't get the right answer.

Molarity= (.550/.21)= 2.62 x 2 = 5.24

and 14 minus the negative log of that doesn't result in the correct answer. I'm not sure what's wrong.
by Gisselle Sainz 2F
Wed Jun 06, 2018 1:40 am
Forum: Conjugate Acids & Bases
Topic: Conjugate acids/bases
Replies: 1
Views: 158

Conjugate acids/bases

How do we write the formulas for conjugate acids and bases?
by Gisselle Sainz 2F
Wed Jun 06, 2018 1:17 am
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Problem 17.35 in Textbook
Replies: 1
Views: 66

Problem 17.35 in Textbook

How do we determine by looking at the pictures which isomers form chelates?
by Gisselle Sainz 2F
Fri May 18, 2018 11:44 pm
Forum: Polarisability of Anions, The Polarizing Power of Cations
Topic: Interaction Energy between ions and molecules [ENDORSED]
Replies: 1
Views: 203

Interaction Energy between ions and molecules [ENDORSED]

Why is the interaction energy between ions and molecules always written as a negative value??
by Gisselle Sainz 2F
Tue May 15, 2018 11:38 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: How to determine molecular shape
Replies: 5
Views: 176

How to determine molecular shape

After drawing our molecular models how do we determine its three-dimensional shape?
by Gisselle Sainz 2F
Tue May 15, 2018 11:15 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Problem 4.1 in Textbook
Replies: 1
Views: 62

Problem 4.1 in Textbook

I don't quite understand how to determine whether there must be, may be, or cannot be lone pairs in a central atom by being given its angle. Can someone explain?
by Gisselle Sainz 2F
Fri May 11, 2018 11:49 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm Significant Figures [ENDORSED]
Replies: 4
Views: 251

Re: Midterm Significant Figures [ENDORSED]

I was adivised in the past if no significant figures are given within the problems to just use three sig figs in the answer.
by Gisselle Sainz 2F
Fri May 11, 2018 11:43 pm
Forum: Photoelectric Effect
Topic: Intensity of Photon
Replies: 8
Views: 326

Re: Intensity of Photon

Intensity contributes to the # of electrons removed ONLY if the light source has reached the threshold energy. The overall idea is that increasing intensity of light does not increase the energy of emitted electronics.
by Gisselle Sainz 2F
Fri May 11, 2018 11:36 pm
Forum: Trends in The Periodic Table
Topic: electron affinity [ENDORSED]
Replies: 15
Views: 482

Re: electron affinity [ENDORSED]

I believe electron affinity is the amount of energy released or used when an electron is added to an atom.
by Gisselle Sainz 2F
Fri May 11, 2018 11:31 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Px, Py, Pz orbitals
Replies: 2
Views: 433

Re: Px, Py, Pz orbitals

When n=2 l= 0, 1 ml= -1,0,1 The # of ml values are used to represent how many orientations or # of orbitals there can exist. Since there are 3 ml values, this tells us that there are 3 orientations in which the p-orbitals exists. This is denoted by px, py, and pz. Px intersects the x-axis of a three...
by Gisselle Sainz 2F
Fri May 11, 2018 11:17 pm
Forum: Lewis Structures
Topic: NO
Replies: 3
Views: 69

Re: NO

You can add a double bond to the NO structure to stabilize the formal charge, but this wouldn't be resonant to the single bond structure b/c a double would transform the structure completely.
by Gisselle Sainz 2F
Fri May 11, 2018 10:56 pm
Forum: Quantum Numbers and The H-Atom
Topic: Midterm Question
Replies: 13
Views: 454

Re: Midterm Question

The type of orbital (s, p, d, f for instance) will let you know how many orbitals there are within different subshells.
There is 1 orbital for s
3 for p
5 for d
7 for f
by Gisselle Sainz 2F
Sat May 05, 2018 4:55 pm
Forum: Heisenberg Indeterminacy (Uncertainty) Equation
Topic: Everyday Objects and heisenberg's equation [ENDORSED]
Replies: 2
Views: 137

Everyday Objects and heisenberg's equation [ENDORSED]

Why exactly can't heisenberg's principle be applied to everyday objects?
by Gisselle Sainz 2F
Wed May 02, 2018 10:03 pm
Forum: Student Social/Study Group
Topic: PRACTICE MIDTERM
Replies: 1
Views: 133

PRACTICE MIDTERM

Has the link for the practice midterm been posted yet?
by Gisselle Sainz 2F
Fri Apr 27, 2018 9:42 pm
Forum: DeBroglie Equation
Topic: does everything have a wavelength
Replies: 10
Views: 355

Re: does everything have a wavelength

Yes everything has a wavelength, but wave properties can only be detected for microscopic particles. The wavelengths of macroscopic objects do exist, but they are regarded to be very small and negligible according to De Broglie's equation. In De Broglie's equation, if you divide Planck's constant by...
by Gisselle Sainz 2F
Fri Apr 27, 2018 9:36 pm
Forum: Administrative Questions and Class Announcements
Topic: ATTACHING IMAGES TO POSTS? [ENDORSED]
Replies: 3
Views: 164

ATTACHING IMAGES TO POSTS? [ENDORSED]

How exactly do we attach images to posts here on chemistry community?
by Gisselle Sainz 2F
Fri Apr 27, 2018 9:34 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Coefficients in electron configurations [ENDORSED]
Replies: 4
Views: 197

Re: Coefficients in electron configurations [ENDORSED]

Essentially, the coefficients that are used in electron configurations are meant to represent the energy level of the orbitals containing the specific number of electrons within a unique periodic element. In this case, The number 4 would indicate the electrons' energy level (n=4) location. The perio...
by Gisselle Sainz 2F
Sun Apr 22, 2018 2:39 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Problem 1.15 Textbook
Replies: 6
Views: 275

Problem 1.15 Textbook

For this problem would we consider the ultraviolet's energy level of n=1 (Lyman's series) as the final energy level (n, final) or as the initial energy level (n, initial)?
by Gisselle Sainz 2F
Sat Apr 21, 2018 11:24 pm
Forum: DeBroglie Equation
Topic: Wavelike Properties [ENDORSED]
Replies: 2
Views: 111

Wavelike Properties [ENDORSED]

This may seem like an odd question, but why exactly don't macroscopic objects have wavelike properties? What is it about microscopic particles that enables them to have this distinct quality?
by Gisselle Sainz 2F
Fri Apr 20, 2018 9:27 pm
Forum: Photoelectric Effect
Topic: 1.9
Replies: 6
Views: 159

Re: 1.9

multiply (m) by 10^9 to get (nm)
by Gisselle Sainz 2F
Fri Apr 20, 2018 9:17 pm
Forum: DeBroglie Equation
Topic: HW 1.39 [ENDORSED]
Replies: 8
Views: 348

Re: HW 1.39 [ENDORSED]

You would need to use DeBroglie's Equation (wavelength= h/(mass x velocity)) 1) Convert 5.15 ounces to grams (which will be the mass to plug into the equation) 2) Convert mph to meters per second (which will be the velocity to plug into the equation) 3) Plug in all converted variables into Debroglie...
by Gisselle Sainz 2F
Fri Apr 20, 2018 9:09 pm
Forum: Properties of Light
Topic: amplitude and intensity
Replies: 11
Views: 326

Re: amplitude and intensity

I believe the test will cover up to section 1.5, if I'm not mistaken. Basically, all of the quantum material we've learned up until DeBroglie's Equation.
by Gisselle Sainz 2F
Sat Apr 14, 2018 6:07 pm
Forum: Photoelectric Effect
Topic: Photoelectric effect module assessment #34B [ENDORSED]
Replies: 1
Views: 62

Photoelectric effect module assessment #34B [ENDORSED]

Molybdenum metal must absorb radiation with a minimum frequency of 1.09 x 1015 s-1 before it can emit an electron from its surface. I

f molybdenum is irradiated with 194 nm light, what is the maximum possible kinetic energy of the emitted electrons?

How do we solve for this?
by Gisselle Sainz 2F
Sat Apr 14, 2018 3:10 pm
Forum: Photoelectric Effect
Topic: E(Photon) greater than/equal to (Energy Remove e-) [ENDORSED]
Replies: 2
Views: 84

E(Photon) greater than/equal to (Energy Remove e-) [ENDORSED]

The textbook states, "If the energy of the photon is LESS THAN the energy required to remove an electron from the metal, then an electron will not be ejected, regardless of the intensity of the radiation" (pg 12) and "[electrons will be ejected when the photon energy is greater than t...
by Gisselle Sainz 2F
Sat Apr 14, 2018 2:25 pm
Forum: Photoelectric Effect
Topic: ENERGY PER MOLE OF PHOTONS [ENDORSED]
Replies: 3
Views: 123

ENERGY PER MOLE OF PHOTONS [ENDORSED]

When finding the energy PER MOLE of photons, why does it make sense to multiply by avogadro's number?
by Gisselle Sainz 2F
Sat Apr 14, 2018 2:22 pm
Forum: *Black Body Radiation
Topic: Importance of Black Bodies?
Replies: 3
Views: 351

Importance of Black Bodies?

If idealistically no true black bodies exist in nature, what is the significance of learning about them?
by Gisselle Sainz 2F
Sat Apr 14, 2018 12:47 pm
Forum: *Black Body Radiation
Topic: Importance of Black Bodies?
Replies: 2
Views: 205

Importance of Black Bodies?

If idealistically no true black bodies exist in nature, what is the significance of learning about them?
by Gisselle Sainz 2F
Wed Apr 11, 2018 9:43 pm
Forum: Photoelectric Effect
Topic: Ejection of electrons in metals
Replies: 1
Views: 106

Re: Ejection of electrons in metals

This could be an interesting question to ask for the next lecture since we just barely touched upon this topic.
by Gisselle Sainz 2F
Wed Apr 11, 2018 9:38 pm
Forum: SI Units, Unit Conversions
Topic: Moles mols mol? [ENDORSED]
Replies: 21
Views: 1221

Re: Moles mols mol? [ENDORSED]

Either format is fine. They all mean the same thing.
by Gisselle Sainz 2F
Wed Apr 11, 2018 9:14 pm
Forum: Empirical & Molecular Formulas
Topic: Molecular to Empirical [ENDORSED]
Replies: 12
Views: 463

Re: Molecular to Empirical [ENDORSED]

To go from molecular to empirical formula you divide the subscripts of the molecular formula by the greatest common divisor to get the most reduced form of the formula which is essentially the empirical formula.
by Gisselle Sainz 2F
Wed Apr 11, 2018 9:08 pm
Forum: SI Units, Unit Conversions
Topic: Sig Figs
Replies: 9
Views: 375

Re: Sig Figs

Whether you choose to round or not you should still end up with an answer relatively close to what is correct. I do not think it matters all too much.
by Gisselle Sainz 2F
Wed Apr 11, 2018 9:04 pm
Forum: Properties of Light
Topic: Clarification on Hz
Replies: 5
Views: 165

Re: Clarification on Hz

Hertz is number of cycles per second
by Gisselle Sainz 2F
Wed Apr 11, 2018 9:01 pm
Forum: Limiting Reactant Calculations
Topic: M9
Replies: 2
Views: 112

Re: M9

If I'm not mistaken, I believe the chemical equation should be
Cu(NO3)2 + 2 NaOH ---> Cu(OH)2 + 2 NaNO3
by Gisselle Sainz 2F
Sun Apr 08, 2018 5:19 pm
Forum: SI Units, Unit Conversions
Topic: Problem E.9 in textbook
Replies: 3
Views: 177

Problem E.9 in textbook

Epsom salts consist of magnesium sulfate heptahydrate.
a) how many atoms of oxygen are in 5.15 g of Epsom salts?

How do we solve this?

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