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If two compounds have same empirical formula but different molecular formulae, they must have,

(a)Different percentage composition

(b)Different Molecular weights

(c) same viscosity

(d) Same vapour density

Can you answer this question?
 
 

1 Answer

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Since the molecular formula is n-times the empirical formula, therefore , different compounds having the same empirical formula must have different molecular weights.
Hence b is the correct answer.
answered Feb 26, 2014 by meena.p
edited Mar 21, 2014 by balaji.thirumalai
 

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