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Consider the following reactions, CH(4...

Consider the following reactions,
`CH_(4)(g) + 2O_(2)(g) to CO_(2)(g) + 2H_(2)O(g)`
How many moles of methane are required to produce 22g of `CO_(2)`(g) after combustion?

A

1 mole

B

0.5 mole

C

0.25 mole

D

1.25 mole

Text Solution

Verified by Experts

According to the chemical equtaion
`CH_(4)g+2O_(2)g to CO_(2)(g)+2H_(2)O(g)`
44g of `CO_(2)(g) is obtained from 16 g of `CH_(4)(g)`
[`because` 1 mole of `CO_(2)(g)` is obtained from 1 mole of `CH_(4)(g)`]
Mole of `CO_(2)(g)=(22.gCO_(2)(g))/(44gCO_(2)(g))=0.5`
Hence, 0.5 mole of `CO_(2)(g)` would be obtained form 0.5 mole of `CH_(4)(g)`or 0.5 mole of `CH_(4)(g)` would be required to produce 22g of `CO_(2)(g)`.
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