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timofeeve [1]
2 years ago
10

What is the molar mass of ch4? I need help

Chemistry
2 answers:
vova2212 [387]2 years ago
4 0
The molar mass of CH4 is 16 g/mol.
pogonyaev2 years ago
4 0

Answer:

16.04 g/mol

Explanation:

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Calculate the volume of the gas, in liters, if 1.75 mol has a pressure of 1.28 atm at a temperature of -7 ∘C
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Answer:

A sample of an ideal gas has a volume of 2.21 L at 279 K and 1.01 atm. Calculate the pressure when the volume is 1.23 L and the temperature is 299 K.

 

You need to apply the ideal gas law PV=nRT

 

You have the pressure, P=1.01 atm

you have the volume, V = 2.21 L

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find n = PV/RT = (1.01 atm x 2.21 L / 0.08205 L.atm/ mole.K x 273 K)

 

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Explanation:

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