When mercury(II) oxide, a red crystalline solid, is heated, it decomposes to form liquid mercury and oxygen gas, according to the following equation: ___HgO(s) → ___Hg(l) + ___O2(g) (unbalanced) Balance the equation and determine the mass of mercury that should be formed when 15.6 g of HgO is heated.
A) 28.9 g
B) 7.22 g
C) 14.4 g
D) 16.9 g
E) 13.2 g
Correct Answer:
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