cassadeertte cassadeertte

30-05-2017
Chemistry

contestada

What is the freezing point (in C) of a 1.56 m aqueous solution of CaCl2? (Amount to three decimal points)

Respuesta :

KimmyKimKim KimmyKimKim

30-05-2017

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

xenapin808 xenapin808

10-03-2021

Answer:

-8.705

Explanation:

Just did this problem :) it’s correct

Answer Link

Otras preguntas

an equilateral triangle has sides of length 42.find the length of an altitude.

Calculate ∆S° for the reaction C2H4(g) + 3O2(g) h 2CO2(g) + 2H2O(l) See Table 18.1 for values of standard entropies. Does the entropy of the chemical system inc

define combining like terms

The sentence "They're no more interesting than watching ice melt" is an example of A-Foreshadowing a future event B-personifying an object C-a comparison for

group of nursing students is discussing how their lives have changed since the beginning of nursing School . The student who understands the second step of holi

Define farm records.

As a budding mechanical engineer, you are called upon to design a Carnot engine that has 2 . 0 0 mol of a monatomic ideal gas as its working substance and opera

Consider the system yen) = T [x (n )] = x(n2)

Please help me i’m stuck on this question! G= k= m= h=

Give me an interesting introduction that identifies the theme and the works and provides a sample of what an audience would read, see, or hear in each work from