Calculate the Number of Moles in 7

question 75

Multiple Choice

Calculate the number of moles in 7.5 g of Ar, and the volume that it would occupy at STP.

• A)0.19 mol, 0.0085 L
• B)0.19 mol, 4.2 L
• C)3.0 x 10² mol, 13 L
• D)3.0 x 10² mol, 6.7 x 10³ L
• E)1.0 mol, 22 L

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