Chemistry

In a mountainous location, the boiling point of pure water is found to be 95 degrees Celsius. How many grams of sodium chloride much be added to 1 kg of water to bring the boiling point back to 100 degrees Celsius? Assume that sodium chloride behaves ideally in solution.

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  1. delta T = i*Kb*m
    delta T = 5; Kb = 0.512; i = 2. Solve for m

    m = moles/kg
    solve for moles.

    moles = grams/molar mass
    solve for grams.

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  2. Dr. Bob do you use 1kg of water in the m=moles/kg so it would be 4.8528=1mol/1kg

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  3. 280.43g of NaCl is needed to raise the boiling point to 100 degrees.

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  4. Please give full solved solution ,in between i am getting confused in this solution ,respone to me by giving full solved solution of this question ,it will be great help for me because from april 2019 i am in search of this question and 25 may 2019 i got in the google here,
    but some how it confused me .

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