Home
Class 12
CHEMISTRY
Calculate the amount of KCl which must b...

Calculate the amount of `KCl` which must be added to `1kg` of water so that the freezing point is depressed by `2K`. (`K_(f)` for water `=1.86K kg "mol"^(-1)`).

Text Solution

AI Generated Solution

To solve the problem of calculating the amount of KCl that must be added to 1 kg of water to depress the freezing point by 2 K, we can follow these steps: ### Step 1: Understand the formula for freezing point depression The formula for freezing point depression (\( \Delta T_f \)) is given by: \[ \Delta T_f = K_f \cdot m \cdot i \] where: ...
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET-II|32 Videos
  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET-III|31 Videos
  • SAMPLE PAPER 2019

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION: D|1 Videos

Similar Questions

Explore conceptually related problems

Calcualate the amount of NaCl which must be added to 100 g water so that the freezing point, depressed by 2 K . For water K_(f) = 1.86 K kg mol^(-1) .

In a cold climate water gets frozen causing damage to radiator of a car. Ethylene glycol is used as an anifreezing agent. Calculate the amount of ethylene glycol to be added to 4 kg of water to prevent it from freezing at -6^(@) . ( K_(f) for water = 1.85 kg mol^(-1) )

The weight of ethyl alcohol which must be added to 1.0 L of water so that the solution will freeze at 14^@F is (K_f of water = 1.86 K kg mol^(-1) )

Ethylene glycol is used as an antifreeze agent. Calculate the amount of ethylene glycol to be added to 4 kg of water to prevent it from freezing at -6^(@)C.(K_(f)" for "HH_(2)O=1.85" K mol"^(-1)"kg")

How many grams of methyl alcohol should be added to 10 litre tank of water to prevent its freezing at 268K ? (K_(f) for water is 1.86 K kg mol^(-1))

What mass of ethlene ethyelne glycol ("molar mass"=62 g mol^(-1)) must be dissolved in 5.5kg of water to lower the freezing point of from 0^(@)C to-10^(@)C ? (K_(f)) for water=1.86 K kg mol^(-1) ).

How much ethyl alcohol must be added to 1.00 L of water so that the solution will not freeze at -4^(@)F ? K_f of water = 1.86 ^(@)C/m

What do you understand by the term that K_(f) for water is 1.86 K kg mol^(-1) ?

45 g of ethylene glycol (C_(2) H_(6)O_(2)) is mixed with 600 g of water. The freezing point of the solution is (K_(f) for water is 1.86 K kg mol^(-1) )

A 0.5% aqueous solution of KCl was found to freeze at -0.24^(@)C . Calculate the Van,t Hoff factor and degree of dissociation of the solute at this concentration. ( K_(f) for water = 1.86 K kg mol ^(-1) )