Question

Part A

For 500.0 mL of pure water, calculate the initial pH and the final pH after adding 0.010 mol of HCl.

Express your answers using two decimal places separated by a comma.

pH initial, pH final =

Part B

For 500.0 mL of a buffer solution that is 0.155 M in HC2H3O2 and 0.135 M in NaC2H3O2, calculate the initial pH and the final pH after adding 0.010 mol of HCl.

Express your answers using two decimal places separated by a comma.

pH initial, pH final=

Part C

For 500.0 mL of a buffer solution that is 0.180 M in CH3CH2NH2 and 0.165 M in CH3CH2NH3Cl, calculate the initial pH and the final pH after adding 0.010 mol ofHCl.

Express your answers using two decimal places separated by a comma.

pH initial, pH final=