2016, Question 2 · Long answer · 10 points · about 23 minutes
Baking soda and acetic acid
Analyze limiting reactants, reaction rate and favorability, then draw a bicarbonate model and reason about a buffer.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2016 exam. It starts on page 7 of the PDF. College Board no longer posts this exam, so it opens from the copy of College Board's PDF that the Internet Archive saved on June 18, 2025.
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Scoring guidelines (PDF, page 4) What the exam readers saw (Student Performance Q&A)
Question, scoring guidelines and Chief Reader report: College Board, from the Internet Archive. The title, summary are ours.