Answer to Question #165019 in General Chemistry for Fernando

Question #165019

If 20.3 grams of an aqueous solution of barium sulfideBaS, contains 2.59 grams of barium sulfide, what is the percentage by mass of barium sulfide in the solution?


______ % BaS



1
Expert's answer
2021-02-22T05:52:41-0500

% by mass = "\\frac{mass of a component }{total mass }" ×100


% by mass = ( 2.59 / 20.3 ) × 100

% by mass = 12.75 %

12.75 % BaS


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