Question

Nitric acid (HNO3) is a strong acid with molecular weight of 63. Estimate the concentration of nitric acid (mg/L) to achieve a pH of 3 in aqueous solution?​

Answer 1

Explanation:

pH=-log(H+)

3=-log(H+)

[H+]= anti(-3)

[H+]=1×10^-3

hence conc. of nitric acid is 1×10^-3