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Molecular formula for methane is CH4..

Then, molecular mass of methane = 12 + 4 x 1 = 16 u.

1 mole of methane = 16 g = 22.4 L at STP.

Therefore, weight of one litre of methane = 16/22.4 g = 0.714 g.

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6y ago
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11y ago

At STP, 1 mole of any gas has a volume of 22.4 liters. Given 150 liters, that means you have about 6.7 moles. The molar mass of methane is 16 grams/mole (from the Periodic Table atomic masses of C and H.) So, 16 grams to the mole, and you have 6.7 moles, so 16x6.7=107.2 grams CH4.

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15y ago

Weight = Mass * Acceleration due to gravity. This is around 9.8 m/s2 on Earth.

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11y ago

0.656g/L @ 25°C, 1 atm. Please see the link.

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14y ago

one gallon

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12y ago

.0898g

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11y ago

8.06*10^23

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Q: What is the weight of one litre of methane under standard conditions?
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