Multiple Choice
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 12.3 g of HgO is heated.
A) 22.8 g
B) 11.4 g
C) 5.70 g
D) 13.3 g
E) 6.64 g
Correct Answer:

Verified
Correct Answer:
Verified
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