Calculate the number of moles in the following
(i) 28g of He (ii) He of Na. (ii) 60g of Ca
Given gram atomic mass of (i) He=4g (ii) Na=23g (iii)Ca=40g.

Calculate the number of moles in the following: (i) 28 g of He (ii) 46 g of Na (iii) 60 g of Ca. Given, gram atomic mass of He = 4 g, Na = 23 g and Ca = 40 g

Calculate the number of moles in the following : (i) 128 g of oxygen (ii) 68 g of ammonia

Calculate the number of atoms in each of the following 52g of He

Calculate the number of moles in the following masses – (i) 7.85g of Fe (ii) 7.9mg of Ca

Calculate the number of moles in the following masses : (i) 7.85g of Fe, (ii) 7.9mg of Ca

Calculate the number of moles in : 52g of He

Calculate the number of atoms in each of the following 52 g of He

Calculate the number of moles in : 52g of He.

Calculate the number of moles of the following . 52 g of He(finding mole form mass).