Neco Model Questions Vol1 2024 Chemistry Question 6

Practice essay / theory question 6 from the 2024 Neco Model Questions Vol1 Chemistry examination. This question covers States of Matter, Colligative properties, Boiling point elevation, Freezing point depression, Vapour pressure lowering .

Neco Model Questions Vol1 2024 Chemistry Essay / Theory

Topics: States of Matter Colligative properties Boiling point elevation Freezing point depression Vapour pressure lowering

Question 6 NECO_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • essay

A solution is prepared by dissolving 2.00 g of a non‑volatile solute (molar mass = 58.44 g mol⁻¹) in 100 g of water at 25 °C.

Question Parts

( a )

Calculate the molality of the solution.

( b )

Using the molality found in part (a), determine the elevation in the boiling point of the solution. (K_b for water = 0.512 °C kg mol⁻¹)

( c )

Determine the depression in the freezing point of the solution. (K_f for water = 1.86 °C kg mol⁻¹)

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About This Question

This is Neco Model Questions Vol1 2024 Chemistry Question 6. It is one of the essay questions from the 2024 Neco Model Questions Vol1 Chemistry examination.

The question covers States of Matter, Colligative properties, Boiling point elevation, Freezing point depression, Vapour pressure lowering .

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