The molarity of 89% H2SO4 (d=1.8g/ml) by wt is
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Density of sulphuric acid= 1.8 g/ml
Percentage of sulphuric acid= 98%
So vol. of sulphuric acid in sol.=98/100= 0.98 ml
Than mass of sulphuric acid= density*volume
= 1.8*0.98 = 1.76 g
No. Of moles = mass in grams/ m. Mass
No. Of moles = 1.76/98 =0.018 mol
Molarity = no. Of moles/ vol in dm3
Molarity= 0.018/0.001
Molarity= 18 molar
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