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
The correct answer is: A
Explanation
0.4 → 251 mole → ? = 1/0.4 * 25/1 = 250/1 = 62.5 g