A 0700 G Sample Containing Ag₂O and Inert Material Is Heated,causing

question 13

Multiple Choice

A 0.700 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 13.8 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)8.93%
• B)17.9%
• C)35.9%
• D)38.4%

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