AP Chemistry · Free-response questions 2011

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

Question 1

Open answer
Question 1 — 1. Each of three beakers contains 25.0 mL of a 0.100 M solution of HCl, NH3, or NH4Cl, as shown above. Each solution is at 25°C. (a) Determine the pH of the solution in beaker 1. Justify your answer. (b) In beaker 2,…

Source: College Board — AP Chemistry, Free-response questions, 2011

Question 2

Open answer
Question 2 — 2. A student is assigned the task of determining the mass percent of silver in an alloy of copper and silver by dissolving a sample of the alloy in excess nitric acid and then precipitating the silver as AgCl. First the…

Source: College Board — AP Chemistry, Free-response questions, 2011

Stuck on an exercise?

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