What is the molar mass of a substance if 0 4 mo... - JAMB Chemistry 2006 Question
What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0g?
A
62.5 g
B
40.0 g
C
6.3 g
D
2.5 g
correct option: a
0.4 → 25
1 mole → ? = 1/0.4 * 25/1 = 250/1 = 62.5 g
1 mole → ? = 1/0.4 * 25/1 = 250/1 = 62.5 g
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