Answer to Question #181293 in General Chemistry for Joshua

Question

Activity 1

Direction: Write a short description based from your own thoughts about the given concept?

1) Percent by mass

2) Percent by volume

3) Molarity

4) Concentration

5) Mole fraction

6) Molality

7) Solution

8) Solvent

9) Dilute

10) Concentrated

Answer 1

1.Mass percent is used as a way of expressing a concentration or a way of describing a component in a mixture.

2. Percent by volume is a measure of the concentration of a substance in a solution.

3.Molarity (M) is the amount of a substance in a certain volume of solution.

4.Concentration of a substance is the quantity of solute present in a given quantity of solution.

5.Mole fraction is defined as a unit of the amount of a constituent, nᵢ divided by the total amount of all constituents in a mixture.

6.Molality (m), or molal concentration, is the amount of a substance dissolved in a certain mass of solvent.

7.A solution is a homogeneous mixture of two or more substances.

8.A solute is defined as the substance that is dissolved in a solution.

9.A dilute solution is one in which there is a relatively small amount of solute dissolved in the solution.

10.A concentrated solution is one that has a relatively large amount of dissolved solute.