(Answered) Nicotine molecular weight 163 g is a liquid completely

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Nicotine (Molecular weight = 163 g) is a liquid completely miscible with water at temperatures below 60°C.

a. What is the molality of nicotine in an aqueous solution that starts to freeze at -0.650°C?

b. If this solution was made using 2.75 g of nicotine, what was the total mass of the solution?

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