Question: A 300 mL buffer is prepared in which [HCO3-] = 0.2M and [CO32-] 0.075M a) What is the pH of this buffer (Ka HCO3- =

A 300 mL buffer is prepared in which [HCO3-] = 0.2M and [CO32-] 0.075M

a) What is the pH of this buffer (Ka HCO3- = 4.7 x 10-11)?

b) What is the pH of the buffer if 0.0100 moles of HCl are added?

c) What is the pH of the buffer if 0.0200 moles of NaOH are added?

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