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प्रश्न
A compound with empirical formula AB has vapour density 3 times its empirical formula weight. Find the molecular formula.
संख्यात्मक
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उत्तर
Given: Empirical formula = AB
Molecular mass = 2 x vapour density
But here, vapour density = 3 x empirical formula weight
Molecular mass = 2 x 3 x empirical formula weight
∴ Molecular formula = A6B6
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