Gce Model Questions Vol1 2017 Chemistry Question 6

Practice essay / theory question 6 from the 2017 Gce Model Questions Vol1 Chemistry examination. This question covers Colligative properties, Boiling point elevation, Molality, Non‑ideal solutions .

Gce Model Questions Vol1 2017 Chemistry Essay / Theory
Topics: Colligative properties Boiling point elevation Molality Non‑ideal solutions
Question 6 GCE_MODEL_QUESTIONS_VOL1 • 2017 • CHEMISTRY • essay

A solution is prepared by dissolving 0.500 kg of pure glucose (C₆H₁₂O₆, M = 180 g mol⁻¹) in enough water to give a total mass of 1.00 kg. The observed boiling‑point elevation of the solution is 0.52 °C. Answer the following:

Question Parts

( a )
Calculate the molality (m) of the glucose solution.
( b )
Using the experimental data, determine the experimental boiling‑point elevation constant (K_b) for water.
( c )
Predict the boiling‑point elevation if 0.200 kg of glucose is dissolved in 1.000 kg of water, assuming the experimental K_b obtained in part (b) remains valid.

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About This Question

This is Gce Model Questions Vol1 2017 Chemistry Question 6. It is one of the essay questions from the 2017 Gce Model Questions Vol1 Chemistry examination.

The question covers Colligative properties, Boiling point elevation, Molality, Non‑ideal solutions .

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