Q: A solution contains 20 g of solute in 180 g of solvent. If the solvent is water, what is the concentration of the solution in terms of mass by mass percentage?
(a)11.1%
(b)22.2%
(c)10%
(d)20%
Correct Answer: (c)
The correct answer is (b) '22·2%'. This question from the General Studies domain tests knowledge of Miscellaneous.