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When a 14.2g sample of mercury (II) oxide is decomposed into its elements by heating, 13.2g hydrogen is obtained. What is the percentage composition of the compound?


• NONSENSE: REPORT​


When A 142g Sample Of Mercury II Oxide Is Decomposed Into Its Elements By Heating 132g Hydrogen Is Obtained What Is The Percentage Composition Of The Compound N class=

Sagot :

Answer: Mercuric oxide decomposes to the elements mercury and oxygen. Dividing the weight of the mercury (13.2 g) by the weight of the oxide before heating (14.2 g), and using three significant digits to match the weight measurements, we get 0.930 = 93.0% for the proportion of mercury.

Explanation:

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