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)
Mg, 0.16 g
O2 , 0.16 g
Mg, 0.44 g
O2, 0.28 g
The reaction is as follows
modes of
modes of
According to reaction stoichiometry modes of require modes of or 0.02083 modes of
clearly is the limiting reagent modes of required by 0.01175 modes of
Excess
Option 1)
Mg, 0.16 g
Correct Option
Option 2)
O2 , 0.16 g
Incorrect Option
Option 3)
Mg, 0.44 g
Incorrect Option
Option 4)
O2, 0.28 g
Incorrect Option