AP Chemistry · Free-response questions 2023

7 questions, each with its course unit and the official scoring guidelines.

Question 4

Open answer
Question 4 — Begin your response to QUESTION 4 on this page. 4. A student is asked to prepare a buffer solution made with equimolar amounts of CH NH 3 2(aq) and CH3NH3Cl(s). The student uses 25.00 mL of 0.100 M CH3NH2(aq), which…

Source: College Board — AP Chemistry, Free-response questions, 2023

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Question 7

Open answer
Question 7 — Begin your response to QUESTION 7 on this page. 7. Strontium hydroxide dissolves in water according to the following equation. The K sp expression for strontium hydroxide is provided. 2+ 2+ − 2 Sr(OH) (s)  Sr (aq) + 2…

Source: College Board — AP Chemistry, Free-response questions, 2023

Stuck on an exercise?

Our tutors clear up your doubts one to one — online, or in person with a local tutor.