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%

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