Question

The amount of carbon dioxide produced by complete combustion of 2 moles of methane

Answer 1

Explanation:

We can use the masses as follows also:-

C= 12g

H= 1g

O= 16g

Answer : The amount of carbon dioxide formed is, 76.93 g

Solution : Given,

Mass of methane = 80 g

Molar mass of methane = 16.042 g/mole

Molar mass of carbon dioxide = 14.026 g/mole

First we have to calculate the moles of .

Now we have of calculate the moles of carbon dioxide.

The balanced chemical reaction is,

Form the reaction, we conclude that

1 mole of methane react to give 1 mole of carbon dioxide

5.485 moles of methane react to give 5.485 moles of carbon dioxide

Now we have to calculate the mass of carbon dioxide.

Mass of carbon dioxide = Moles of carbon dioxide × Molar mass of carbon dioxide

Mass of carbon dioxide = 5.485 moles × 14.026 g/mole = 76.93 g

Therefore, the amount of carbon dioxide formed is, 76.93 g

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