Question 34
Mole Concept and StoichiometryWhat 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
Show the answer and explanation
Answer: A (62.5 g)
Explanation
Molar mass = mass ÷ moles = 25.0 ÷ 0.4 = 62.5 g.