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Question
Suppose a buffer solution is made from formic acid (HCHO2) and sodium formate (NaCHO2). What is the net ionic equation for the reaction that occurs when a small amount of hydrochloric acid is added to the buffer?
A) H3O+(aq) + HCHO2(aq) → H2O(l) + H2CHO2+(aq)
B) H3O+(aq) + CHO2-(aq) → HCHO2(aq) + H2O(l)
C) HCl(aq) + CHO2-(aq) → HCHO2(aq) + Cl-(aq)
D) HCl(aq) + OH-(aq) → H2O(l) + Cl"(aq)
E) H3O+(aq) + OH-(aq) →2H2O(l)
Answer
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