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Anomalous Expansion of Water

80 Molecular ...

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80 Molecular Weight of NaCl determined by freezing point depression of its 0.5% aqueous solution is 30 . the Apparent degree of dissociation of NaCl is

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M X_{2}

dissociates into

M^{2 +}

X^{-}

ions in an aqueous solution with a degree of dissociation of

α

0.5

. The ratio of the observed depression of freezing point of the aqueous solution to the value of the depression of freezing point in the absence of ionic dissociation is:

M X_{2}

M^{2 +}

X^{-}

ions in an aqueous solution with a degree of dissociation

0.5 (α)

. The ratio of the observed depression of the freezing point of the aqueous solution to the value of the depression of freezing point in the absence of ionic dissociation is______.

Q. What will be the molecular weight of

N a C l

determined experimentally following elevation in the boiling point or depression in freezing point method?

The freezing point of one molal NaCl solution assuming NaCl to be 100% dissociated in water is (molal depression constant = 1.86)

The freezing point of one molal NaCl solution assuming NaCl to be 100% dissociated in water is (molal depression constant = 1.86)

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