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When a 4.2 gram sample of mercury (Il) oxide, HgO is decomposed into its elements by • heating, 3.2 grams Hg is obtained and the rest is oxygen. What is the percent composition …

When a 4.2 gram sample of mercury (Il) oxide, HgO is decomposed into its elements by • heating, 3.2 grams Hg is obtained and the rest is oxygen. What is the percent composition …
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When a 4.2 gram sample of mercury (Il) oxide, HgO is decomposed into its elements by •

heating, 3.2 grams Hg is obtained and the rest is oxygen. What is the percent
composition of mercury and oxygen?

asked
User Richard E
by
7.3k points

1 Answer

4 votes

Hg = (3.2 : 4.2) x 100% = 76.19%

O = (1 : 4.2) x 100% = 23.81%

answered
User Maverickgugu
by
8.8k points
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