59. Solving a chemistry problem

59. Solving a chemistry problem

9. In what volume of water should 15 g of potassium nitrate be dissolved in order to obtain a solution that freezes at - 3.5 ° C, if the apparent degree of dissociation of the salt in the solution is 71%.

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.