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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

You dissolve 5.0 mg of iodine, I2, in 25 mL of water. You then add 10.0 mL of CCl4 and shake the mixture. If I2 is 85 times more soluble in CCl4 than in H2O (on a volume basis), what are the masses of I2 in the water and CCl4 layers after shaking? (Figure 13.5.)

Interpretation Introduction

Interpretation:

The masses of iodine (I2) in the water and CCl4 layers after shaking under the given conditions have to be determined.

Concept introduction:

  • Concentration=AmountofsubstanecVolume
Explanation

Here,

5.0mgofI2 is dissolving in 25 mL of water. 10 mL of CCl4 is added to the iodine solution and then shake the mixture.

Solubility of I2 is 85 times more soluble in CCl4 than H2O.

Using these values it is possible to find the masses of iodine (I2) in the water and CCl4 layers.

Consider amount of iodine in CCl4 as x. and equating the amount of iodine (I2) in the water and CCl4 as follows,

              x10 =

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