Question

5. Normality of an aqueous solution containing HCl and
HNO3 is N/5. When 20 mL of this solution is treated
with excess of AgNO, solution, 0.287 g precipitate of
AgCl is obtained. Calculate the % composition of the
two acids.​

Answer 1

no. of equivalent in the mixture =0.02×(

5

1

)

=0.004equt

no. of equt of HCl = no. of equt of AgCl

no. of equt HCl =

143.5

0.287

=0.002

no. of. equt of H

2

SO

4

in mixture =0.004−0.002

=0.002

(eqnt at of H

2

SO

4

=49)

% by mess of HCl in mixture

=

0.002×36.5+0.002×49

0.002×36.5

×100

=42.69%

ans Option (a)

Answer 2

Answer:

Your answer is 42.69%

thanks