Question

Kavi prepared a solution of sodium chloride by mixing 5.85 g of salt in 1 litre of water. Find
(1) molar mass of sodium chloride.
(ii) number of moles of sodium chloride dissolved.
(Atomic masses of sodium and chlorine are 23 u and 35.5 u respectivelyl.
(iii) concentration of the sodium chloride solution.

Answer 1

Answer:

1. 58.44 gm/mol

2. 23+35.5 = 58.5u

3. 5.85 g of NaCl = 0.1 mol 1 L solution contain NaCl = 0.1 mol 1 ml solution contain NaCl = 0.0001 mol.