The density of a sodium sulfate solution is 1.07 g/cm^3. The solution is 8.00% sodium sulfate by...


The density of a sodium sulfate solution is {eq}\rm 1.07\ g/cm^3 {/eq}. The solution is {eq}\rm 8.00\% {/eq} sodium sulfate by mass. How many {eq}\rm cm^3 {/eq} of the solution are needed to supply {eq}\rm 4.28\ g {/eq} of sodium sulfate?

Concentrations in Solutions:

There are a number of ways that the amount of solute in a solvent can be expressed. Some concentrations are expressed in weight percent or volume percent. A more precise method is to use molality, which is the moles of solute per kilogram of solvent. The most precise way of preparing solutions is by molarity, the moles of solute per liter of solution.

Answer and Explanation: 1

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To supply 4.28 g of sodium sulfate, 50.0 mL of the solution is needed.

The mass of sodium sulfate per cubic centimeter can be calculated.


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Concentration of Solutions: Definition & Levels


Chapter 13 / Lesson 2

Learn the dilute and concentrated solution definition. Compare and contrast dilute vs concentrated solution examples and see how a solution changes physically and chemically as it goes from dilute to concentrate.

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