Chemistry, asked by neha43959, 9 months ago

Find the mass of NaOH present in 250ml of a seminormal solution.

Answers

Answered by ananyagn2005

1

Answer:

No of moles (n) =

1000

Molarity×V

mL

Given:

M=0.5M

V

mL

=250mL

Therefore, n=

1000

0.5×250

=

1000

125

=0.125mol

Molar mass of NaOH = 40g

Mass of NaOH = 0.125×40=5g

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