The normality of orthophosphoric acid having purity of 70
Asked by admin @ in Chemistry viewed by 260 People
The normality of orthophosphoric acid having purity of 70 % by weight and specific gravity 1.54 is
Answered by admin @
Mass =70 %*1.54 =1.078 g/ml
Mass in 1000 ml solution=1.078*1000=1078 g
Molar mass of orthophosphoric acid=98 g
Normality of orthophosphoric acid=(Mass of solute in 1L)/(Molar mass/basicity)
=(1.078)/(98/3)
=33 N
So,the normality of orthophosphoric acid having purity of 70 % by weight and specific gravity 1.54 is 33N.
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