Question

A solution contains 50 g of common salt in 420 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.
(a) 9.80%
(b) 10.64%
(c) 11.52%
(d) 15.64%​

Answer 1

Answer:

10.64%

Explanation:

Concentration =

$mass \: of \: solute \div mass \: of \: solution \times 100$

mass of solution =

$mass \: of \: solute + mass \: of \: solvent$