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Hydration Enthalpy and Lattice Enthalpy (Group 2)

48 Calculate ...

Question

48 Calculate the boiling point of 1M aqueous solution (density 1.04 g/mL ) of potassium chloride (Kb for water 0.52 K kg/mol ) Assume potassium chloride is completely dissociated in solution.

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1 M

1.04 g

m L^{- 1}

K_{b}

0.52 K k g m o l^{- 1}

K = 39 g / m o l

C l = 35.5 g / m o l

What is the boiling point of 1molal potassium iodide solution assuming it to be 100% dissociated?
For water K_b= 0. 52K kg mol^-1

B a C l_{2}

{100.0832}^{o}

K_{b}

0.52 K k g m o l^{- 1}

K_{b}

H_{2} O = 0.52 K K g {m o l}^{- 1}

B a C l_{2} = 208.34 g {m o l}^{- 1}

N a_{2} S O_{4} (M = 142 g m o l^{- 1})

N a_{2} S O_{4}

K_{b}

m o l^{- 1}

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