Calculate the number of molecules in 1 kg of sodium chloride. [Na =23, C, = 35.5].

Calculate the number of: molecules in one kg of calcium chloride.

Calculate the number of moles in 23 g of sodium.

Calculate the number of molecules in 2 kg of sodium hydroxide [At. wt. Na= 23, O = 16, H = 1]

Calculate the total number of ions in 0.585g of sodium chloride.

A solution containing 1g of sodium chloride in 100g of water freezes at - 0.604^@C . Calculate the degree of dissociation of sodium chloride. (Na = 23, Cl = 35.5, Kf for water = 1.87 k "mol"^(-1) )

Calculate the number of molecule present in : 1 kg oxygen

Calculate the number of atoms in 0.2 mole of sodium (Na).

Calculate the number of atoms in 0.2 mole of sodium (Na).

Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23).