Question
Chemistry Question on Mole concept and Molar Masses
1.0 g of magnesium is burnt with 0.56 g O2 in a closed vessel. Which reactant is left in excess and how much ?
(At. wt. Mg =24; O=16)
A
O2, 0.16 g
B
Mg, 0.44 g
C
O2, 0.28 g
D
Mg, 0.16 g
Answer
Mg, 0.16 g
Explanation
Solution
The correct option (D): Mg, 0.16 g.