Search found 5 matches

by dk0418
Wed Jan 08, 2020 2:08 pm
Forum: Equilibrium Constants & Calculating Concentrations
Topic: Homework Question 5G.1 D
Replies: 1
Views: 44

Homework Question 5G.1 D

The question asks whether the following statement is t/f: "If one starts with higher concentrations of reactants, the equilibrium concentrations of the products will be larger". I wasn't quite sure how the concentrations of the reactants correlates with that of products. Also was this some...
by dk0418
Thu Oct 03, 2019 4:34 pm
Forum: Balancing Chemical Reactions
Topic: Question L37
Replies: 2
Views: 99

Re: Question L37

I had the same issue this helped a lot thanks
by dk0418
Thu Oct 03, 2019 4:27 pm
Forum: Molarity, Solutions, Dilutions
Topic: Fundamentals F: The Determination of Composition Question #9
Replies: 3
Views: 56

Re: Fundamentals F: The Determination of Composition Question #9

change the % to grams (eg 63.15% to 63.15g) then divide the samples by their respective atomic weights (63.15/12). after doing this for all three, multiply or divide all three numbers by the same number to change all answers to whole numbers
by dk0418
Tue Oct 01, 2019 5:32 pm
Forum: SI Units, Unit Conversions
Topic: SIG FIGS
Replies: 11
Views: 264

Re: SIG FIGS

there's an endorsed post in the sig figs section that helps out a lot and describes how other rules as well
by dk0418
Tue Oct 01, 2019 5:30 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW G 19 *b
Replies: 2
Views: 47

HW G 19 *b

problem says to take 25mL of .366 M HCL and pour into a flask with vol 125mL then dilute it to the mark with water.
I assumed that this means 100mL of water is added so the M1V1=M2V2 equation would be (.366 M HCL)(25mL)=(? M HCL)(100ml). but that doesn't give the answer :( help

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