Question

Ravi prepared a solution of sodium chloride by mixing 5.85 gram of salt in 1 litre of water? find a) molar mass of sodium chloride b) number of moles of sodium chloride dissolved ( atomic mass of sodium and chlorine are 23 u and 35.5 u respectively ) c) concentration of sodium chloride solution​

Answer 1

Answer:

a) Molar mass of sodium chloride = 58.44 g/mol

b) Number of moles of NaCl dissolved =

1 mole NaCl = 58.44 g NaCl

So, 5.85 g NaCl = 0.1 moles of NaCl

c) 0.1 moles in 1 lit hence it is 0.1 M solution of NaCl.