Chemistry

Problem

A sample of argon gas occupies

5.00\,\text{L}

at a temperature of

300\,\text{K}

and a pressure of

2.00\,\text{atm}

. Answer the following questions. (Take

1\,\text{atm}=1.013\times10^{5}\,\text{Pa}

and atomic mass of Ar

=40\,\text{g\,mol}^{-1}

.) a. (a) Calculate the number of moles of argon present in the sample. b. (b) Determine the volume that this quantity of argon would occupy at STP. c. (c) Find the mass of argon contained in the original sample.

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