A mixture of MgO and Mg weighing 10 g is treated with excess of dil HCl. Then 2.24 lit of H_(2) gas was liberated under STP conditions . The mass of MgO present in the sample is

A mixture of MgO and Mg weighing 10 g is treated with excess of dil HC

1.	A mixture of MgO and Mg weighing 10 g is treated with excess of dil HCl. Then 2.24 lit of H_(2) gas was liberated under STP conditions . The mass of MgO present in the sample is
Answer» 2.4 G 7.6 g 8 g 2 g Answer :B