Question

why do we generally use 5% of salt to prepare 5% of solution in an experiment conducted to verify law of conservation of mass?

Answer 1

Accrording to law of conservation of mass , mass of reactants should be equal to mass of products. To equal the mass of solution andwater , we need to take 5% of salt to prepare 5% of solution.

Answer 2

this is because of reactants is equal 2 mass of products