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gtnhenbr [62]
3 years ago
6

Calculate the molar mass of CH4 gas at STP when 5.46Lof the gas weighs 4g??​

Chemistry
1 answer:
meriva3 years ago
6 0

Answer:

About 16.42 grams

Explanation:

PV=nRT \\\\(1)(5.46L)=n(0.0821)(273) \\\\n\approx 0.2436 \\\\4g/0.2436\approx 16.42

Hope this helps!

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First  step  is  to  calculate  the  mole  of each   element
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step  two  is  to  calculate  the mole ratio  by   dividing with  the  smallest  number of  moles
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step  3;  multiply  all  the  mole  ratio by  2  to  remove  the  fraction
carbon=5/2  x2 =5
hydrogen=3/2 x2=3
oxygen=1 x2=2
nitrogen  =1x2=2
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