Data:
Molarity, M = 1.25 M
mass, m = 36 grams
Solute, H2SO4
Formulas:
M = n / V => V = n / M
n = mass in grams / molar mass
Solution:
molar mass of H2SO4 = 98.079 g/mol
n = 38 g / 98,079 g/mol = 0.3874 mol
V = 0.3874 mol / 1.25M = 0.31 liter
Answer: 0.31 liter