Calculate the pH of each of the solutions and the change in pH to 0.01 pH units

Question

Calculate the pH of each of the solutions and the change in pH to 0.01 pH units caused by adding 10.0 mL of 2.66-M HCl to 400. mL of each of the following solutions. Change is defined as final minus initial, so if the pH drops upon mixing the change is negative. a) water pH before mixing = pH after mixing= pH change = b) 0.140 M C2H3O21- pH before mixing = pH after mixing= pH change = c) 0.140 M HC2H3O2 pH before mixing = pH after mixing= pH change = d) a buffer solution that is 0.140 M in each C2H3O21- and HC2H3O2 pH before mixing = pH after mixing= pH change =

Explanation / Answer

d) a buffer solution that is 0.140 M in each C2H3O21- and HC2H3O2 pH before mixing = pH after mixing= pH change =

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