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?

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asked Jun 13, 2023 144k views

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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?

Chemistry
college

Richard E asked

by Richard E

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

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

Maverickgugu answered Jun 17, 2023

by Maverickgugu

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