Given that carbonic acid, H 2 CO 3 , has a pKa1 6 37 and a pKa 2 10 33, answer the following (a) If you wanted to make a pH 7 buffer solution starting with NaHCO 3 (aq), would you add 0 10 M HCl or 0 10 M NaOH answer 0 10 M HCl (b) If you began with 6 5 mL of 0 45 M NaHCO 3 , how many mL of your ch...

Given that carbonic acid, H 2 CO 3 , has a pKa1 = 6.37 and a pKa

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Question:

Given that carbonic acid, H ₂CO ₃, has a pKa1 = 6.37 and a pKa ₂ = 10.33, answer the following.
(a) If you wanted to make a pH 7 buffer solution starting with NaHCO ₃(aq), would you add 0.10 M HCl or 0.10 M NaOH?
answer: 0.10 M HCl

(b) If you began with 6.5 mL of 0.45 M NaHCO ₃, how many mL of your choice from (a) would you need to add to get a pH 7 buffer?
mL