Multiple Choice
A buffer solution contains carbonic acid (H2CO3) and sodium bicarbonate (NaHCO3) ,each at a concentration of 0.100 M.The relevant equilibrium is shown below.What is the pH of this buffer solution? H2CO3(aq) + H2O(l) ? H3O+(aq) + HCO3?(aq) Ka = 4.5 × 10?7
A) 4.50
B) 7.00
C) 6.35
D) 7.65
E) 2.16
Correct Answer:
Verified
Correct Answer:
Verified
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