posted by atriletz .
The electrolyte from a car battery has H2S04 (aq) concentration of 4.5 per mol per litre and a density of 1.18g per ml
What is the percentage by mass of H2S04 in the electrolyte?
do you mean 4.5 mol per liter? This has absolutely no meaning:
concentration of 4.5 per mol per litre