State what is the ph of a buffer prepared by adding

Reference no: EM13205880

A: What is the pH of a buffer prepared by adding 0.809mol of the weak acid HA to 0.305mol of NaA in 2.00L of solution? the dissociation constant Ka of HA is 5.66x10^-7

B: what ist he pH after 0.150mol of HCl is added to the buffer?

C:What ist he pH after 0.195mol of NaOH is added to the buffer?

Reference no: EM13205880

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