Calculate the number of moles of carbon dioxide formed on combustion of 32
g of methane gas, with an excess of air.
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Answer:
1 mol of methane is 16 grams that produces 6.25 moles of
Co2
when it is burnt
Explanation:
1 mol of methane is 16 grams. Therefore, if you have 100 grams of methane, it means that you have
100
16
=
6.25
moles of methane.
When you burn 6.25 moles of methane, you produce 6.25 moles of carbondioxide.
Your reaction is wrong though. I want to correct it.
C
H
4
+
2
O
2
→
C
O
2
+
2
H
2
O
When you burn 6.25 moles of methane, you need 12.5 moles of oxygen gas.
When you burn 6.25 moles of methane, you produce 6.25 moles of carbondioxide (275 grams of
C
O
2
) and 12.5 moles of water vapour (225 grams of
H
2
O
).
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