# Answer to Question #86307 in General Chemistry for Camden Bryant

Question #86307

C(s) + 2H2(g) ---> CH4(g)

if the reaction produces 145 liters of CH4, how many liters of H2 were consumed?

if the reaction produces 145 liters of CH4, how many liters of H2 were consumed?

Expert's answer

The balanced equation for considered reaction can be written as follows

@$C(s) + 2H_{2}(g) \rarr CH_{4}(g)@$

@$\frac{V(H_{2})}{N(H_{2}) \cdot V_m} = \frac{V(CH_{4})}{N(CH_{4}) \cdot V_m}@$

V - volume

N - coefficient in chemical equation

V_{m} - molar volume

@$V(H_{2}) = \frac{V(CH_{4}) \cdot N(H_{2})}{N(CH_{4})}@$

@$V(H_{2}) = \frac{145 \cdot 2}{1}=290 \; L@$

**Answer:** 290 liters.

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