If 36g of an unknown gas are contained in 3L container at STP. What is it's molecular mass?Avogadro constant = 6.022 x 1023 atoms/molecules Ideal gas constant R= 0.0821 L atm/mol K1 atmosphere is equivalent to 760 mm of Hgstandard conditions 0 degrees C = 273 K1 atm = 760 mm Hg

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Asked Nov 12, 2019
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If 36g of an unknown gas are contained in 3L container at STP. What is it's molecular mass?

Avogadro constant = 6.022 x 1023 atoms/molecules 

Ideal gas constant R= 0.0821 L atm/mol K

1 atmosphere is equivalent to 760 mm of Hg

standard conditions 

0 degrees C = 273 K

1 atm = 760 mm Hg

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Expert Answer

Step 1

The number of moles of unknown gas is calculated using ideal gas ...

PV=nRT
Pis pressure
Vis volume
nis moles
R is gas constant,
and Tis temperature
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PV=nRT Pis pressure Vis volume nis moles R is gas constant, and Tis temperature

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