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CHEMISTRY

JAMB 2006 - Question 34

Chemistry 2006 JAMB Past Questions - Question 34: What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0 g?

Choose the correct answers from the options given.

What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0 g?

A: 62.5 g

B: 40.0 g

C: 6.3 g

D: 2.5 g

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Correct Answer

Explanation

0.4 → 25
1 mole → ? = 1/0.4 * 25/1 = 250/1 = 62.5 g