A mass of 1.37 g of an unknown gas is introduced into an evacuated 1.70 L flask.If the pressure in the flask is 0.814 atm at 98°C,which of the following gases might be in the flask? (R = 0.0821 L · atm/mol · K)
A) CH4
B) C2H2
C) C2H6
D) C3H8
E) C4H10
Correct Answer:
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