Calculate the number of particles present in 0.1g electron.

Calculate the number of particles present in a fcc crystal structure.

(i) What is avagadro Constant? (ii) Calculate the number of particles present in 56g of N_(2) molecules.

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

Calculate the number of atoms present in 7.1 g of chlorine ?

Calculate the number of atoms present in 7.1 g of chlorine ?

Calculate the number of moles present in 60 g of NaOH.

Calculate the number of molecules present in 1 litre of water assuming that density of water is 1 g mL^(-1) .

Calculate the number of gram-atom present in 2.1g of nitrogne and 0.23 g of sodium.