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Lithium chloride has a solubility of 55gofLiClin 100gofH2Oat 25∘C. Determine if each of the following mixtures forms an unsaturated or saturated solution at 25∘C:

a. adding 10gofLiClto role="math" localid="1652764006746" 15gofH2O

b. adding 25gofLiClto 50gofH2O

c. adding 75gofLiClto 150gofH2O

Short Answer

Expert verified

(Part a) The mixture of adding 10gofLiClto 15gofH2Oforms Super-saturated solution.

(Part b) The mixture of adding 25gofLiClto 50gofH2Oforms Un-saturated solution.

(Part c) The mixture of adding 75gofLiClto 150gofH2Oforms Un-saturated solution.

Step by step solution

01

Introduction.(Part a)

A saturated solution is one that contains the highest concentration of liquid solute at equilibrium.

A solution with a low solute concentration than a saturated solution. It'll be capable of dissolving a greater amount of solute.

A solution with a higher levels of solutes solute than a saturated solution.

02

Given Information (Part a).

Given:

Adding10gofLiClto15gofH2O

The solubility of LiClat25∘Cis

localid="1653898265752" =55g100mL=0.55gmL-1

03

Explanation (part a).

Find the quantity of LiClper milliliter in the solution is:

localid="1653898286267" =15g10mL=1.5gmL−1

This is greater than the solubility ofLiCl=0.55gml-1

As a result, this mixture forms the Super-saturate solution.

04

Given Information (step b).

Given:

Adding25gofLiClto50gofH2O

The solubility of LiClat25∘C

localid="1653898302295" =55g100mL=0.55gmL-1

05

Explanation (part b).

Find the quantity of LiClper milliliter in the solution is:

localid="1653898322858" =25g50mL=0.5gmL−1

This is lesser than the solubility of LiCl=0.55gml-1

As a result, this mixture forms the Un-saturate solution.

06

Given Information (step c).

Given:

Adding75gofLiClto150gofH2O

The solubility of LiClat25∘C

localid="1653898338065" =55g100mL=0.55gmL-1

07

Explanation (part c).

Find the quantity of LiClper milliliter in the solution is:

localid="1653898358725" =75g150mL=0.5gmL−1

This is lesser than the solubility ofLiCl=0.55gml-1

As a result, this mixture forms the Un-saturate solution.

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