Answer to Question #183750 in General Chemistry for lori

Question

A 9.168M aqueous solution of H2SO4 has a density of 1.4987 g/ml at 20 degrees C. How many grams of H2SO4 are in 30.0 g of this solution? Was is the percentage by mass of H2SO4 in this solution. Show the math. I don't know how.

Answer 1

$D= m/v$

V=30/1.5= 20cm3

The percentage by mass is,

(20/1000)×100

=2%