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Question: Butane, CH3CH2CH2CH3, has a boiling point of 0.4ºC, and hexane, CH3CH2CH2CH2CH2CH3, has a boiling point of 69ºC. Both are nonpolar molecules. Explain the large difference in the boiling points of these two substances.

Question: Work out the solubility of copper(II)sulfide. Take it that 1 litre of the mixture weighs 1 kg. (in g/100g)

CuS (s) <----> Cu^2+ (aq) + S^2- (aq)

Ksp = 8.7 x 10^-36

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Category:- Chemistry
Reference No.:- M9392633

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