A commercial sample of H2SO4 has specific gravity 1.8.10 ml of the acid was diluted upto 1 litre with water. 10 ml of diluted acid required 30 ml of N/10 NaOH

santosh_tipathi

A commercial sample of H2SO4 has specific gravity 1.8.10 ml of the acid was diluted upto 1 litre with water. 10 ml of diluted acid required 30 ml of N/10 NaOH for complete neutralization. What is the percentage purity of H2SO4 in commercial sample?