Which of the following statements is / are true? A) Molecular mass is expressed in unified mass (U).
Which of the following statements is / are true?
A) Molecular mass is expressed in unified mass (U).
B) 22.4 l of any gas at STP contains 6.023 × 1023 molecules.
C) 28 g of N2 at STP occupies 22.4 litres of volume.
D) All are correct.
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