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A 0500 G Sample Containing Ag2O and Inert Material Is Heated,causing

Question 83

Multiple Choice

A 0.500 g sample containing Ag2O and inert material is heated,causing the silver oxide to decompose according to the following equation: 2 Ag2O(s) → 4 Ag(s) + O2(g)
If 6.90 mL of gas are collected over water at 27°C and 1.00 atm external pressure,what is the percentage of silver oxide in the sample? The partial pressure of water is 26.7 mm Hg at 27°C.


A) 6.25%
B) 12.5%
C) 25.0%
D) 26.0%

Correct Answer:

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