(a) Difference between molarity and molality for a solution. How does a change in temperature influence their values?

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Q 2611567429.     (a) Difference between molarity and molality for a solution. How does a change in temperature influence their values?

(b) Calculate the freezing point of an aqueous solution containing 10.50 g of `MgBr_2` in 200 g of water. (Molar mass of `MgBr_2 = 184` g)
(`K_f` for water = 1.86 K kg `mol^-1`)
CBSE-12th 2011

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