5 mole of CaO=…………..g…………… Molecules

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

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

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

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?

N_2(g)+3H_2(g)harr2NH_3(g) in this equation what is the total number of moles of the reactant molecules.

The chemical equation of the decomposition of calcium carbonate is given below CaCO_3rarrCaO+CO_2 (HintMM: CaCO_3-100,CaO-56, CO_2-44): Calculate the number of CO_2 molecules fromed when 224g of CaO is obtained?

Find out the mass of one mole of CaCO_3 . How many moles of calcium present in 1000g CaCO_3 ?

Number of molecules of substance is 3.011xx10^(24) : Find the number of moles of 3.011xx10^(24) molecules.

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

The molecules mass of oxygen is 32: How many moles of molecules are there in 64g of oxygen? How many molecules are there in it?