An aqueous solution is 3.0M hydrochloric acid and has a density of 1.1 g/mL. How many mmol of hydrochloric acid are present in 25 mL of this solution

Question

 Chem

Answer 1

3.0 M HCl = 3.0 moles HCl/Liter

25 ml x 1 L/1000 mls = 0.025 L

3.0 moles HCl/L x 0.025 L = 0.075 moles HCl

0.075 moles HCl x 1000 mmoles/mole = 75 mmoles HCl