Answer:
No. of moles of methane = 18.9 mol
Step-by-step explanation:
No. of moles = Volume of gas / Volume of gas (at STP)
Volume of gas at STP (Standard Temperature and Pressure) = 22.4L
N = 425 / 22.4
N = 18.973
∴No. of moles of methane = 18.9 mol
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