Igcse Model Questions Vol1 2022 Chemistry Question 5
Practice objective / multiple choice question 5 from the 2022 Igcse Model Questions Vol1 Chemistry examination.
The solubility of potassium nitrate (\(\ce{KNO3}\)) in water is 31.6 g per 100 g water at 20 °C and 56.0 g per 100 g water at 60 °C. Assuming the enthalpy of solution is constant over this temperature range, estimate the solubility at 80 °C. Express your answer as grams of \(\ce{KNO3}\) per 100 g water (to three significant figures).
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About This Question
This is Igcse Model Questions Vol1 2022 Chemistry Question 5. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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