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Automobile catalytic converters use a platinum catalyst to reduce air pollution by changing emissions such as carbon monoxide, CO(g), into carbon dioxide, CO2(g). The uncatalyzed reaction is represented by the balanced equation below.2CO(g) O2(g) 2CO2(g) +heat. determine the mass of O2(g) required to completely react with 784g moles of CO(g) during this reaction.

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Answer:

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Step-by-step explanation:

User Tarreq
by
3.5k points
10 votes

Answer: 448 g of
O_2 will be required to completely react with 784g moles of CO(g) during this reaction.

Step-by-step explanation:

To calculate the moles :


\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}


\text{Moles of} CO=(784g)/(28g/mol)=28moles

The balanced chemical equation is:


2CO(g)+O_2(g)\rightarrow 2CO_2(g)

According to stoichiometry :

2 moles of
CO require = 1 mole of
O_2

Thus 28 moles of
CO will require=
(1)/(2)* 28=14moles of
O_2

Mass of
O_2=moles* {\text {Molar mass}}=14moles* 32g/mol=448g

Thus 448g of
O_2 will be required to completely react with 784g moles of CO(g) during this reaction.

User Patrick Y
by
3.7k points