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Evgesh-ka [11]
3 years ago
6

1. HNO3 will dissociate into: ions with a charge, and, ions with a charge

Chemistry
1 answer:
77julia77 [94]3 years ago
4 0

Answer:

HNO3 will dissociate into:

hydrogen ions with a positive (+1)

charge, and,

nitrate ions with a

negative (-1) charge.

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3 years ago
When 61.6 g of alanine (C3H7NO2) are dissolved in 1150. g of a certain mystery liquid X, the freezing point of the solution is 2
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From the given information:

TO start with the molarity of the solution:

= \dfrac{61.6 \ g \times \dfrac{1 \ mol \ C_3H_7 NO_3}{89.1 \ g} }{1150 \ g \times \dfrac{1 \ kg}{1000 \g }}

= 0.601 mol/kg

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At the freezing point, the depression of the solution is \Delta \ T_f = T_{solvent}- T_{solution}

\Delta \ T_f = 2.9 ^0 \ C

Using the depression in freezing point, the molar depression constant of the solvent K_f = \dfrac{\Delta T_f}{m}

K_f = \dfrac{2.9 ^0 \ C}{0.601 \ m}

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= \dfrac{61.6 \ g \times \dfrac{1 \ mol \ NH_4Cl}{53.5 \ g} }{1150 \ g \times \dfrac{1 \ kg}{1000 \g }}

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the Vant'Hoff factor i = \dfrac{\Delta T_f}{k_f \times m}

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