the hydrated chloride of divalent metl loses 14.73%(by weight) of its mass by dehydration. if one mole of hydrated salt contain 2 moles of hydration,calculate weight% of chlorine in hydrated salt..

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane