# Chemistry

posted by .

At what temperature would 1.3 m NaCl freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 deg C/m.

• Chemistry -

delta T = i*Kf*m
delta T = 1.9*1.86*1.3 = ?
Subtract from zero to find new freezing point.

## Similar Questions

1. ### Chemistry

Which solution has the lower freezing point?
2. ### chemistry

At what temperature would a 1.75m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9?
3. ### Chemistry

From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.
4. ### Chemisty II

At what temperature would a 1.05m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9?
5. ### chemistry

About how much should the boiling point of pure water differ from .5m 1m and 1.5m aqueous solutions of NaCl and same molal solutions of CaCl2 Trying to check experimental data from van't hoff factor lab

I have to find the calculation of Van't Hoff factor "i" for NaCl and sucrose. The directions say to use the equation delta Tf = kf X m X i and to use Kf for water = -1.86C/m So I have the molality of NaCl and sucrose as well as delta …
7. ### chemistry

What is the melting point of a mixture of 2.00 lb of NaCl and 12.00 pounds of ice if exactly half of the ice melts?
8. ### Chemistry

for a question it is given that there is 14.6 g of calcium chloride in 246 g of water. Kf is 1.86 C/m we need to find the freezing point of this solution. when i do the calculations, i get the freezing point to be -0.99 (without using …
9. ### Chemistry

Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic …
10. ### Chemistry

Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic …

More Similar Questions