Waec Model Questions Vol1 2024 Chemistry Question 25
Practice objective / multiple choice question 25 from the 2024 Waec Model Questions Vol1 Chemistry examination.
A solution is prepared by dissolving 5.00 g of an unknown alcohol in 100.0 g of water. The solution also contains 0.50 g of NaCl, which is non‑volatile and does not affect the boiling point. The observed boiling point of the solution is 100.52 °C. Given the ebullioscopic constant of water K_b = 0.512 °C·kg mol⁻¹, calculate the molar mass of the unknown alcohol. Give your answer to the nearest whole gram per mole.
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This is Waec Model Questions Vol1 2024 Chemistry Question 25. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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