Question

You are required to prepare a H2SO4 (aq) solution. You dissolve 16.5 g H2SO4 in order to prepare the 150. mL aqueous solution. Find the molarity of the solution. Identify what the solvent is.

Answer 1

Answer -

Given,

Mass of H₂SO₄ = 15.5 g

Molar Mass of H₂SO₄ = 98.079 g/mol

Volume of Solution = 150 ml or 0.15 L

Molarity = ?

We know that,

Molarity = Moles/ Volume in L

Also,

Moles = Mass/ Molar Mass

So,

Molarity = Mass/(Molar Mass * Volume in L)

Put the values,

Molarity = 15.5 g/( 98.079 g/mol * 0.15 L)

Molarity = 1.05 M [Answer]

Here, Solvent is water and Solute is H₂SO_4.