Question

8g of NaOH are dissolved in 400cm^3 of water, molarity of the solution is:

Answer 1

Explanation:

Given,

8g of NaOH dissolved in one litre of solution.

Molar Mass(NaOH)=40

Molarity=

V(mL)

n

B

×1000

=

40

8

×

1000

1000

=0.2

∴ M=0.2 moles/litre

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