Question

At STP 2 gram of He gas (molar mass = 4 g) occupies a volume of ______

Answer 1

Answer:

You can choose any one of them

Explanation:

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Answer 2

11.2 L

Explanation:

1 mole of He gas i.e 4 grams occupies a volume of 22.4 L at STP

1 mole = 4 g

x mole = 2 g

∴ x = 2/4

     = 0.5 moles of He gas

Volume occupy 0.5 mol of He = 0.5 × 22.4

                                                   = 11.2 L