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Solution: A 355 mL container holds 0.146 g of Ne gas and an unknown amount of Ar gas at 35°C, and a total pressure of 626 mmHg. Calculate the number of moles of Ar gas present.
a) 7.24 x 10 –3 mol Ar
b) 4.34 x 10 –3 mol Ar
c) 4.27 x 10 −3 mol Ar
d) 1.00 x 10 −2 mol Ar
e) 5.79 x 10 −3 mol Ar

A 355 mL container holds 0.146 g of Ne gas and an unknown amount of Ar gas at 35°C, and a total pressure of 626 mmHg. Calculate the number of moles of Ar gas present.

a) 7.24 x 10 ^{–3} mol Ar

b) 4.34 x 10 ^{–3} mol Ar

c) 4.27 x 10 ^{−3} mol Ar

d) 1.00 x 10 ^{−2} mol Ar

e) 5.79 x 10 ^{−3} mol Ar

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