CH 3 NH 2 (aq) + H 2 O (l) CH 3 NH + 3 (aq) + OH - (aq) I M M 0 C -x - +x +x E x x x

Chapter 16: 4, 6, 14, 22, 42, 52, 56, 60, 66 16.4 Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a. A solutio...
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Chapter 16: 4, 6, 14, 22, 42, 52, 56, 60, 66 16.4 Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a. A solution that is 0.175 M in HC2H3O2 and 0.110 M in KC2H3O2 b. A solution that is 0.195 M in CH3NH2 and 0.105 M in CH3NH3Br SOLUTION: a. HC2H3O2 (aq) + H2O (l) ↔ C2H3O- (aq) + H3O+ (aq)

I C E

HC2H3O2 (aq) 0.175 M -x 0.175-x

+ H2O (l) -

↔

C2H3O- (aq) 0.110 M +x 0.110+x

+ H3O+ (aq) 0 +x x

Always try the assumption. In this case x

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