Waec Model Questions Vol1 2022 Chemistry Question 6
Practice essay / theory question 6 from the 2022 Waec Model Questions Vol1 Chemistry examination. This question covers Colligative properties, Boiling point elevation, Molar mass determination, Raoult’s law, Vapour pressure lowering .
A solution is prepared by dissolving 5.00 g of a non‑volatile solute in 200.0 g of water at 25 °C. The boiling point of pure water is 100.0 °C and the ebullioscopic constant (K_b) of water is 0.512 °C·kg·mol⁻¹. The observed boiling point of the solution is 100.8 °C. The vapour pressure of pure water at 100 °C is 23.8 mmHg. Answer the following:
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This is Waec Model Questions Vol1 2022 Chemistry Question 6. It is one of the essay questions from the 2022 Waec Model Questions Vol1 Chemistry examination.
The question covers Colligative properties, Boiling point elevation, Molar mass determination, Raoult’s law, Vapour pressure lowering .
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