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Question #167746

Ammonia NH3 chemically reacts with oxygen gas O2 to produce nitric oxide NO and water H2O

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What mass of oxygen gas is consumed by the reaction of 9.89 g of ammonia?

1
2021-03-03T01:33:04-0500

"2NH_3+\\dfrac{5}{2}O_2\\longrightarrow 2NO+3H_2O"

Mass of NH3 reacted = 9.89 g

Moles of NH3 = "\\dfrac{9.89}{17}=0.581\\space mol"

According to balanced chemical reaction

2 moles of NH3 react with 2.5 moles of O2

"\\therefore0.581\\space mol" of NH3 reacts with = "\\dfrac{2.5}{2}\\times0.581\\space mol" of O2

"\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space\\space=0.727\\space mol" of O2

Mass of O2 consumed = "0.727\\times32=23.27\\space g"

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