Question

Molarity of a sodium chloride solute by dissolving 4 g of it in 250 ml of water is

Answer 1

Answer:

Explanation:

Volume of the solution is V=250 ml=0.25 L. V = 250 m l = 0.25 L .

Answer 2

Answer:

0.2735 M

Explanation:

Molar mass of NaCl = 23+35.5 = 58.5g

Mole of NaCl = Given mass ÷ molar mass

= 4 ÷ 58.5

Molarity (M) = Mole of solute ÷ Volume of Solution in litres

= (4 ÷ 58.5) ÷ 0.25 ('.' 250 ml = 0.25L)

= 0.2735 M

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