Lithium metal reacts with water to yield hydrogen gas. A piece of lithium weighing 10.63 grams was added to 27.57 grams of water. When finished, the solution - containing lithium hydroxide - weighed 34.85 grams. How many grams of hydrogen gas was evolved?
a. 3.35 grams
b. 21.2 grams
c. 1.53 grams
d. 1.05 grams
e. 4.766 grams
Following the law of conservation of mass, the total mass of ...
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