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.

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

Explanation:

To calculate the moles :

The balanced chemical equation is:

According to stoichiometry :

2 moles of require  = 1 mole of

Thus 28 moles of will require=  of

Mass of

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

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the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3