★ Ello ★ mole = mass of substance / molecular mass 0.5 = mass of N2 GAS / 2 × 14 { mass of ONE molecule of N2 gas is 28 } so, mass of 0.5 mole of nitrogen is => 0.5 × 28 => 14 THEREFORE , your answer is ★ 14 g ★ HOPE it helps you DEAR !!
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