Igcse Model Questions Vol1 2017 Chemistry Question 8

Practice objective / multiple choice question 8 from the 2017 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2017 Chemistry Objective / Multiple Choice Medium Difficulty
Question 8 IGCSE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • objective

The solubility of potassium nitrate (KNO₃) is 31.6 g per 100 mL of water at 20 °C and 246 g per 100 mL at 100 °C. How hot must 200 mL of water be to dissolve 150 g of KNO₃, assuming solubility varies linearly with temperature between these two points?

Answer Options

A. 52 °C
B. 28 °C
C. 44 °C
Correct Answer D. 36 °C
Correct Answer
D
Correct Option:
36 °C

About This Question

This is Igcse Model Questions Vol1 2017 Chemistry Question 8. It is one of the objective questions from the 2017 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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