Waec Model Questions Vol1 2019 Chemistry Question 26

Practice objective / multiple choice question 26 from the 2019 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2019 Chemistry Objective / Multiple Choice Hard Difficulty
Question 26 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • objective

A non‑metal oxide of formula X₂O₅ (where X is a non‑metal) reacts with excess sulphuric acid according to X₂O₅ + 5 H₂SO₄ → X₂(SO₄)₅ + 5 H₂O. When 10.0 g of the oxide is completely converted, 6.0 g of water are obtained. Determine the atomic mass of X (in g mol⁻¹).

Answer Options

A. 45 g mol⁻¹
B. 30 g mol⁻¹
C. 40 g mol⁻¹
Correct Answer D. 35 g mol⁻¹
Correct Answer
D
Correct Option:
35 g mol⁻¹

About This Question

This is Waec Model Questions Vol1 2019 Chemistry Question 26. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Hard .

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