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Which of the following is correct? (1) ...

Which of the following is correct?
(1) For `H_(2)` and `He, z<1`,and molar volume at STP is less than `22.4L`
(2) For `H_(2)` and `He,z<1`,and molar volume at STP is greater than `22.4L`
(3) For `H_(2)` and `He,z>1`,and molar volume at STP is less than `22.4L`
(4) For `H_(2)` and `He,z>1`,and molar volume at `STP` is greater than `22.4L`

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