What is the molar mass of a substance, if 0.4 mole of the...
What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0g?
62.5 g
40.0 g
6.3 g
2.5 g
Correct answer is A
0.4 → 25
1 mole → ? = 1/0.4 * 25/1 = 250/1 = 62.5 g
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