The compound Al4C3 decomposes when heated according to the equation below. Al4C3 (s) + 12 H₂O (1)→ 4 Al(OH)3 (s) + 3 CH4 (9) An impure sample of material contains a small amount of Al4C3. The sample is heated and the gas produced collected by downward displacement of water. A total of 216.0 ml of gas is collected at a temperature of 22.0°C when the atmospheric pressure is 730.0 torr. [The vapor pressure of water at 22.0°C is 19.83 torr.] Calculate the number of grams of Al4C3 present in the impure sample.

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The compound Al4C3 decomposes when heated according to the equation below.
Al4C3 (s) + 12 H₂O (1) → 4 Al(OH)3 (s) + 3 CH4 (9)
An impure sample of material contains a small amount of Al4C3. The sample is heated and the gas produced collected by downward displacement of water. A total of 216.0 ml of gas is collected at a temperature of 22.0°C when
the atmospheric pressure is 730.0 torr.
[The vapor pressure of water at 22.0°C is 19.83 torr.]
Calculate the number of grams of Al4C3 present in the impure sample.
Grams of Al4C3:
grams
Transcribed Image Text:The compound Al4C3 decomposes when heated according to the equation below. Al4C3 (s) + 12 H₂O (1) → 4 Al(OH)3 (s) + 3 CH4 (9) An impure sample of material contains a small amount of Al4C3. The sample is heated and the gas produced collected by downward displacement of water. A total of 216.0 ml of gas is collected at a temperature of 22.0°C when the atmospheric pressure is 730.0 torr. [The vapor pressure of water at 22.0°C is 19.83 torr.] Calculate the number of grams of Al4C3 present in the impure sample. Grams of Al4C3: grams
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