Register
What is the freezing point in c of a 1.56m aqueous solution of cacl2? round to 3 decimal places.
48.4k views
5 votes
What is the freezing point in c of a 1.56m aqueous solution of cacl2? round to 3 decimal places.

User Petebolduc
by
3.7k points

1 Answer

10 votes
Supposing complete ionization:
CaCl2 → Ca{2+} + 2 Cl{-} [three ions total]

(1.56 m CaCl2) x (3 mol ions / 1 mol CaCl2) = 4.68 m ions

(1.86 °C/m) x (4.68 m) = 8.70 °C change

0°C - 8.70°C = - 8.70°C
User Kasha
by
3.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.5m questions

4.4m answers

Other Questions

What is the variable for this number 22.4L?
Which of the following aqueous solutions are good buffer systems? . 0.29 M perchloric acid + 0.15 M potassium perchlorate 0.16 M potassium acetate + 0.26 M acetic acid 0.18 M hydrofluoric acid + 0.12 M
1. If temperature is increased, the number of collisions per second do what
A helium balloon containing 0.100 mol of gas occupies a volume of 2.4 L at 25 C and 1.0 atm. how many moles have we added if we inflate it to 5.6 L?
TRUE or FALSE: Volcanoes help warm the planet by releasing CO2 (carbon dioxide)
Link Copied!