Pre-laboratory Assignment For full credit, show the details of each calculation below. Use more paper if needed. 1. Define these terms:.
a) solvent
b) solution
c) saturated solution
2. Consider a saturated solution formed when 17.5 g of a solute dissolve in 28.3 g of a solvent, giving a total solution volume of 27.8 mL.
a) Express the solution concentration as a mass percent.
b) Express the solubility as grams of solute per 100 g of solvent.

1. Answers are in the question.

2. a. 61.8 w/w%

b. 61.8g solute per 100g of solvent

Explanation:

a. Solvent is a substance (Usually liquid) that is able to dissolve a substance (Solute).

b.  Solution is the mixture of a solute and a solvent.

c. A saturated solution is defined as the solution that contains the maximum amount of solute that a solvent can dissolve.

2. Mass percent is:

Mass solute / Mass solution * 100

17.5g / 28.3g * 100 =

a. 61.8 w/w%

Solubility is the concentration of a saturated solution. 100g of solvent will dissolve:

17.5g solute * (100g / 28.3g) = 61.8g of solute can be dissolved per 100g of solute.

Solubility is:

b. 61.8g solute per 100g of solvent

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