Gce Model Questions Vol1 2018 Chemistry Question 37

Practice objective / multiple choice question 37 from the 2018 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Medium Difficulty
Question 37 GCE_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

A saturated solution of calcium sulfate at 25 °C contains 0.21 g of CaSO₄ per 100 mL of water. When 0.50 g of NaCl is added to 200 mL of this saturated solution, the solubility of CaSO₄ decreases by 20 % because of the common‑ion effect. Calculate the mass of CaSO₄ that will precipitate.

Answer Options

A. 0.067 g
B. 0.042 g
Correct Answer C. 0.084 g
D. 0.12 g
Correct Answer
C
Correct Option:
0.084 g

About This Question

This is Gce Model Questions Vol1 2018 Chemistry Question 37. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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