Questions and answers by

fenerbahce

Questions (15)

What is the pH of a 0.250 M NH4Cl solution? Kb for NH3 = 1.8 × 10−5.Thank you.
1. 0 answers
2. 659 views
I have a question.For Fe|Fe^+2 (1M)| Cu|Cu^+2 (1M why did you use Fe^2+ ==> Fe^3+ + e Eo = -0.771 ? instead of: Fe ---> Fe^+2 +
1. 2 answers
2. 314 views
I'm adding this to my previous question..in our textbook its says Ecell=Ecathode-Eanode. That's my values were smaller. But you
1. 1 answer
2. 387 views
the measured cell voltages are supposed to be smaller than the theoretical cell voltages, but when I'm calculating the
1. 1 answer
2. 543 views
Calculate the reduction potential of the following solutions:a- 1 M CuSO4 b- 1 M FeSO4 c- 0.1 M CuSO4 I'm now the same answer as
1. 1 answer
2. 634 views
Please...how do you calculate the reduction potential for 1 M CuSO4? I've been trying for hours......!!
1. 3 answers
2. 452 views
How do you calculate the theoretical cell voltage?1) Zn|Zn^+2 (1M)| Cu|Cu^+2 (1M) okay so by looking at example this example
1. 4 answers
2. 4,133 views
How do you calculate the theoretical cell voltage?1) Zn|Zn^+2 (1M)| Cu|Cu^+2 (1M) 2) Cu|Cu^+2 (1M)| Zn|Zn^+2 (1M) 3) Fe|Fe^+2
1. 1 answer
2. 898 views
How do you calculate the theoretical cell voltage?1) Zn|Zn^+2 | Cu|Cu^+2 2) Cu|Cu^+2 | Zn|Zn^+2 3) Fe|Fe^+2 | Cu|Cu^+2 4)
1. 2 answers
2. 507 views
[NaOH]= 0.113MV of NaOH needed to titrate = 0.0037L V of unknown weak organic acid = 0.025L Find: The initial concentration of
1. 3 answers
2. 550 views
Run # Volume NaOH used (mL)1 4.1 2 4.3 3 2.8 Concentraion of NaOH: 0.113 M pH of acid: 2.84 the questions are: #moles of NaOH: ?
1. 1 answer
2. 543 views
Okay let me write it this way.I mixed 30 mL of 0.1 M Acetic Acid and 15 mL of 0.1 M Sodium Hydroxide and measured the pH. Then I
1. 2 answers
2. 404 views
How do I calculate the initial concentraion of an acid?
1. 1 answer
2. 455 views
acetic acid: 0.1 M 30mlhydrochloric acid 0.1 M 5 ml sodium hydroxide 0.1 M 15 ml Buffer + 5ml of: 1.91 ph ph (measured): 4:52 ph
1. 4 answers
2. 913 views
1) Aluminum Chloride- Red- PH: 4.02) Sodium Carbonate - Violet- PH: 9.5 Ammonium Acetate - Yellow - PH: 6.5 the question is:
1. 2 answers
2. 529 views