Calculate the Number of Moles and the Mass of Gas

question 27

Multiple Choice

Calculate the number of moles and the mass of gas in 2.50 L of Ar at STP.

• A)56.0 mol, 784 g
• B)56.0 mol, 2.00 g
• C)0.112 mol, 0.00279 g
• D)0.112 mol, 4.47 g
• E)1.00 mol, 40.0 g

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