Gce Model Questions Vol1 2020 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2020 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Medium Difficulty

Question 10 GCE_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

2.00 g of an unknown non‑volatile solid is dissolved in 100.0 g of benzene (\(K_b = 5.12\ \text{K kg mol}^{-1}\)). The boiling point of the solution is 80.5 °C, whereas pure benzene boils at 80.1 °C. Determine the molar mass of the solute.

Answer Options

Correct Answer A. 256 g mol⁻¹

B. 320 g mol⁻¹

C. 210 g mol⁻¹

D. 180 g mol⁻¹

Correct Answer

Correct Option:

256 g mol⁻¹

About This Question

This is Gce Model Questions Vol1 2020 Chemistry Question 10. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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Gce Model Questions Vol1 2020 Chemistry Question 10

2.00 g of an unknown non‑volatile solid is dissolved in 100.0 g of benzene (\(K_b = 5.12\ \text{K kg mol}^{-1}\)). The boiling point of the solution is 80.5 °C, whereas pure benzene boils at 80.1 °C. Determine the molar mass of the solute.

Answer Options

About This Question

Master the Exam!

2.00 g of an unknown non‑volatile solid is dissolved in 100.0 g of benzene (\(K_b = 5.12\ \text{K kg mol}^{-1}\)). The boiling point of the solution is 80.5 °C, whereas pure benzene boils at 80.1 °C. Determine the molar mass of the solute.