10 Mole of water=…………..g…………… Molecules

5 mole of CaO=…………..g…………… Molecules

2 mole of H_2SO_4 =…………..g…………… Molecules

1/2 mole of AI_2O_4 =…………..g…………… Molecules

Find the number of moles in 90 g of water (Molecular mass=18). ?

One mole is the amount of substance that contains as many elementary particles as 12g of C^12 isotope of carbon. Calculate the number of moles in 1 litre of water(Density of water is 1g/mL). Also calculate the number of water molecules in 1 litre of water.

One mole is the amount of substance that contains as many elementary particles as 12 g of _^12C isotope of carbon. Calculate the number of moles in 1 litre of water ("Density of water is "lg//mL) . Also calculate the number of water molecules in 1 litre of water

The number of water molecules present in 8 g of oxygen gas are:

Sulphur molecules exist under various conditions as S_(8), S_(6), S_(4), S_(2) and S. (a) Is the mass of one mole of each of these molecules the same? (b) Is the number of molecules in one mole of each of these molecules the same? (c) Is the mass of sulphur in one mole of each of these molecules the same? (d) Is the number of atoms of sulphur in one mole of each of these molecules the same?