Calculate depression of freezing point for 0.56 molal aq. Solution of KCl. (Given : `K_f(H_(2)O) = 1.8 kg mol^(-1)`).

Calculate depression of freezing point for 0.56 molal aq. Solution of KCl.
(Given : `K_f(H_(2)O) = 1.8 kg mol^(-1)`).
A. 2
B. 3
C. 4
D. 5

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - A
`DeltaT_(f) ="I" k_(f)m`
= `2 xx 1.8 xx 0.56`
= `2.0`

5 views Answered 2023-02-05 15:29

Related Questions

What is freezing point of a liquid ? The freezing point of pure benzene is 278.4 K. Calculate the freezing point of the solution when 2.0 gram of a so

2 Answers 5 Views

The freezing point of an aqueous solutions is 272 .93 K . Calculate the molality of the solution if molal depression constant for water is 1.86 Kg `mo

2 Answers 4 Views

The observed depression in the freezing point of water for a perticular solution is 0.087 K . Calculate the molality of the solution if molal depressi

2 Answers 4 Views

A 5% solution (w/W) of cane sugar (molar mass = 342 g `mol^(-1)` ) has freezing point 271 K. What will be the freezing point of 5% glucose (molar mass

2 Answers 5 Views

What weight of glycerol should be added to 600 g of water in order to lower its freezing point by `10^@ C` ? `(K_f=1.86^@ C m^(-1))`

2 Answers 5 Views

What will be the freezing point of a 0.5 m KCl solution ? The molal freezing point constant of water is `1.86^@C m^(-1)` .

2 Answers 6 Views

A 0.001 molal solution of `[Pt(NH_(3))_(4)CI_(4)]` in water had a freezing point depression of `0.0054^(@)C`. If `K_(f)` for water is `1.80`, the corr

2 Answers 4 Views

45 g of ethylene glycol `(C_(2)H_(6)O_(2))` is mixed with 600 g of water. Calculate (a) the freezing point depression and (b) the freezing point of th

2 Answers 4 Views

1.00 g of a non-electrolyte solute dissolved in 50g of benzene lowered the freezing point of benzene by 0.40 K. The freezing point depression constant

2 Answers 4 Views

A 5% solution (by mass) of cane suger in water has freezing point of 271K. Calculate the freezing point of 5% glucose in water if freezing point of wa

2 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)