1)Calculate the molar mass of a gas if 2.40 g occupies 0.885 L at 680 torr...

Question

Question

1)Calculate the molar mass of a gas if 2.40 g occupies 0.885 L at 680 torr and 35 ∘C.

2) Consider three gases all at 298 K: HCl, H2, and O2. List the gases in order of increasing average speed.

Express your answers as chemical formulas separated by commas.

3)A mixture containing 0.770 mol He(g), 0.300 mol Ne(g), and 0.115 mol Ar(g) is confined in a 10.00-L vessel at 25 ∘C.

Calculate the partial pressure of He in the mixture

p = atm

Calculate the partial pressure of Ne in the mixture.

p = atm

Calculate the partial pressure of Ar in the mixture.

p = atm

Calculate the total pressure of the mixture.

p = atm

Answer 1

Answer #1

0 RT 308 K rolan mas a. 40 m oles

Answer 2

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