Question

Volume occupied by 30g of nitrogen at stp

Answer 1

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♧ Key

One mole of any gas occupies 22.4L volume

♧ Given

● Atomic mass of N =14

● Nitrogen gas is diatomic molecule

● Molecular mass of N2 = 28 gm

● Sample mass of N2 = 30 gm

◇ Number of mols equals sample mass divided over molecular mass

☆ n= 30÷28= 1.07 mol

☆ Volume = 1.07 × 22.4 = 24 L

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