) Caclum Carbonate D) Calc15g of hydrogen is burnt in the presence of

1.	) Caclum Carbonate D) Calc15g of hydrogen is burnt in the presence of excess oxygen. The mass of water fommiR A5A 125
Answer» Water is a compound , so its composition will be fixed whether the oxygen supply is excess or not. Since, molar mass of water (H2O) =2x1 + 16 = 18 gm So, 2 gm of hydrogen reacts with 18 gm of water Hence, 15 gm of hydrogen will form = (18/2 )x15=135 gm of water.

) Caclum Carbonate D) Calc15g of hydrogen is burnt in the presence of excess oxygen. The mass of water fommiR A5A 125

Answer»

Water is a compound , so its composition will be fixed whether the oxygen supply is excess or not.

Since, molar mass of water (H2O) =2x1 + 16 = 18 gm

So, 2 gm of hydrogen reacts with 18 gm of water

Hence, 15 gm of hydrogen will form = (18/2 )x15=135 gm of water.