How much quantity is needed to prepare 250ml of 0.1M Hydrochloric Acid Solution from commercially available 35%Hydrochloric Acid.(density=1.16)?

Answer 1

the preparation will contain .025 moles of HCl

the commercial solution is 35% HCl by mass

find the mass of HCl needed ... moles * molar mass

find the mass of commercial solution needed