Chemistry · Chemical Reactions and Laws
A scientist conducts an experiment by heating 50 g of mercury(II) oxide in a closed container. After heating, it decomposes into mercury and oxygen gas. What will be the total mass of the products?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Cannot be determined without knowing oxygen's mass.
- 2Less than 50 g because mercury(II) oxide decomposes.
- 3Exactly 50 g because mass is conserved.✓
- 4More than 50 g because oxygen gas is released.
Correct answer
Exactly 50 g because mass is conserved.
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