na265517
na265517 na265517
  • 15-04-2022
  • Chemistry
contestada

what is the freezing point in c of a 1.56m aqueous solution of cacl2? round to 3 decimal places.

Respuesta :

arjay006 arjay006
  • 15-04-2022
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
Answer Link

Otras preguntas

Using Equation 3, what is the force of gravity between you and Earth, assuming all of the Earth's mass is at its center and you are standing at sea level? The m
what is the answer for this question ​
Can someone help me out. Thx
To charge an electroscope negatively by induction you need:
Between which two years did the population of Chinese in the US almost double?
Help with homework plzzzzz!!!!!!!!!!!!!
A concert loudspeaker suspended high off the ground emits 32.0 W of sound power. A small microphone with a 1.00 cm^2 area is 52.0 m from the speaker. Part compl
What is the minimum amount of energy required for an 80- kgclimber carrying a 20- kg pack to climb Mt. Everest, 8850 mhigh?
Find the slope of the lines passing through th points (-9,-3)and (7,-7)
A run-on with no punctuation to mark the break between thoughts is called