Calculate the number of gram-molecule present in 14.7g of `H_(2)SO_(4)`.

Calculate the number of molecules present in 1 g of water.

Calculate the number of molecules present in 11 g of CO_2 .

The molecular mass of H_(2)SO_(4) is 98 amu . Calculate the number of moles of each element in 294 g of H_(2)SO_(4) .

Calculate the number of molecules of SO_(2) present in 44g of it.

Calculate the total number of atoms present in 0.49 grams of H_(2)SO_(4) .

Calculate the number of atoms present in 1.4 g of N_2 molecule.