10.3 g of an unknown compound is sealed in a tube with 25.8 g of hydrochloric acid. The tube is heated the compound completely dissolves. What is the mass of the contents of the tube after the reaction?
A) exactly 36.1 g
B) slightly more than 35.8 g
C) slightly less than 35.8 g
D) exactly 10 g
E) there is no way to know without more information about the reaction
Correct Answer:
Verified
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