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Calculate the boiling point of a solution that contains 50 g NaCl in 80.8 kg of water. (kb of water is 0.52°C/molal)

Sagot :

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Answer:

How do you calculate the boiling point of NaCl?

Solution. To find the temperature change elevation of a solvent by a solute, use the equation: ΔT = iKbm. ...

Calculate the Molality of the NaCl. molality (m) of NaCl = moles of NaCl/kg water. From the periodic table: ...

Find ΔT. ΔT = iKbm. ...

Answer. Adding 31.65 g of NaCl to 220.0 mL of water will raise the boiling point by 2.53 °C.

Explanation:

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