Molarity Lesson

Presentation

•

Chemistry

•

10th - 12th Grade

•

Hard

James Gonzalez

FREE Resource

12 Slides • 10 Questions

Dilutions and Molarity Calculations

take notes on paper/chromebook

Multiple Choice

What is a mole?

6.022 x 10²³ items

a fuzzy critter

a chemistry thing

REVIEWING:

Calculating Molar Mass

Na₂CO₃
Ca(NO₃)₂

Fill in the Blanks

Type answer...

Multiple Choice

A measure of how much solute is dissolved in solution or "strength" of solution is called......

concentrated

concentration

dilute

dilution

Multiple Choice

How do chemists describe the "strength" or concentration of a solution?

molarity

concentrated

diluted

strong

Multiple Choice

How do chemists calculate molarity?

grams/mole

moles/Liter

ounces/container

Multiple Choice

What is the molarity of 0.50 moles of NaCl in 0.25 L of solution

1 M

1/2 M

2 M

1.5 M

Multiple Choice

The higher the molarity, the ________ the solution

more concentrate

less concentrated

Multiple Choice

The lower the molarity, the ________ the number of particles in the solution

fewer

greater

Dilution

Dilution is the process of adding more solvent to a solution
A typical dilution calculation involves determining how much water must be added to an amount of stock solution to achieve a solution of the desired concentration

Dilution calculation formula

Our basic formula is: M₁X V₁ = M₂ X V₂
M stands for molarity and V stands for volume

Practice problem

What volume of 16 M sulfuric acid must be used to prepare 1.5L of a .10 M H₂SO₄ solution?

Fill in the Blanks

Type answer...

Fill in the Blanks

Type answer...

Dilutions and Molarity Calculations

take notes on paper/chromebook

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