Question

A solution contains 49 gm of common salt in 320 gm of water. Calculate the concentration in terms of mass by mass percentage of the solution

Answer 1

here is your answer :-

mass of salt ÷ mass of solution × 100 is the formula of finding mass by mass % of solution

therefore
$49 \div 320 \times 100 = 15.312g$
pls comment if there is something wrong