Question

what is the mass of sulphuric acid required to prepare 2 litre of decinormal solution ?​

Answer 1

Answer:

Molarity =

Vol.(inmL)

MolesofH

2

SO

4

×1000

or Moles of H

2

SO

4

=

1000

Molarity×Vol.(inmL)

=

1000

1×200

=0.2

∵ Moles =

Molarmass

Mass

[H

2

SO

4

=2+32+4×16=2+32+64=98]

∴ Mass of H

2

SO

4

= moles × molar mass

=0.2×98

=19.6g

Explanation:

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