105 mL of pure water at is saturated with producing a solution of 30% by mass of
MATHEMATICS · Single correct · AoPS · Mathematics · Ratios and Percents · Percent
Problem
105 mL of pure water at 4∘C is saturated with NH3 producing a solution of 30% by mass of NH3 . The total mass of solution after saturation becomes :
(1) 105 g
(2) 130 g
(3) 150 g
(4) 160 g