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Mathematics 17 Online
OpenStudy (anonymous):

A solution is made by dissolving 4.0 moles of sodium chloride (NaCl) in 2.05 kilograms of water. If the molal boiling point constant for water (Kb) is 0.51 °C/m, what would be the boiling point of this solution? Show all of the work needed to solve this problem.

OpenStudy (king):

You should try posting this in the Chemistry Group to get a good,fast and reliable response!!

mathslover (mathslover):

4 mol / 205 g H2O = 4/.205 = 19.5 mol/kg boiling point = 100 + 19.5*0.51 = 109 °C

OpenStudy (anonymous):

Can you help with this one? A solution is made by dissolving 15.5 grams of glucose (C6H12O6) in 245 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m? Show all of the work needed to solve this problem.

mathslover (mathslover):

[; hi did u got that ;]

mathslover (mathslover):

[;\text{hi ask this as a new question};]

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