A solution containing 10 g of a non-volatile, higher nonelectrolyte and 400 g of water boils at 100 .256 o C at 1 atm . The molecular weight of the solute (in g/mol) is Given: ( K b for water 0.512 C ο / m )

Question

A solution containing 10 g of a non-volatile, higher nonelectrolyte and 400 g of water boils at 100 .256 o C at 1 atm . The molecular weight of the solute (in g/mol) is Given: ( K b for water 0.512 C ο / m ),

MARKS App · Accepted Answer

Δ T b = i × K b × m 0.256 = 1 × 0.512 × 10.0 M 0.4 M = 0.512 × 10.0 0.4 × 0.256 M = 50 g/mol

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