Post Utme Rsu 2018 Chemistry Question 6

Practice objective / multiple choice question 6 from the 2018 Post Utme Rsu Chemistry examination.

Post Utme Rsu 2018 Chemistry Objective / Multiple Choice
Question 6 POST_UTME_RSU • 2018 • CHEMISTRY • objective

A 2.50-g sample of a metal oxide is heated in a crucible until it decomposes completely. The mass of the metal obtained is 1.25 g. If the metal oxide has a molar mass of 120 g/mol and the metal has a molar mass of 40 g/mol, calculate the percentage yield of the metal.

Answer Options

A. 50%
B. 60%
Correct Answer C. 70%
D. 80%
Correct Answer
C
Correct Option:
70%

About This Question

This is Post Utme Rsu 2018 Chemistry Question 6. It is one of the objective questions from the 2018 Post Utme Rsu Chemistry examination.

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