Find out the volume of water required to make 91% sulphuric acid , sp gravity 1.81 from cons sulphuric acid of MW 98.08 and sp gravity 1.84?For one liter volume

Answer 1

(w * 1.00) + [(1 - w) * 1.84] = 1 * 1.81

w + 1.84 - 1.84 w = 1.81 ... .03 = .84 w ... w = 35.7 mL

Answer 2

Thankyou Scott. Kindly explain this equation. Thankyou.