This is a series of lectures in videos covering Chemistry topics taught in High Schools. These lessons look at how to calculate moles and molarity.
The following diagram shows how to convert between Molarity, Moles and Volume. Scroll down the page for more examples and solutions.
Molarity Practice Problems
Practice problems with molarity, calculate the moles and liters to find the molar concentration.
How to use conversion factors to convert between grams and moles, and between milliliters and liters.
How to solve Molarity Problems?
How to Calculate Molarity | Practice Problem #1
What is the molarity of a solution made by dissolving 1.461 g of NaCl in 250.0 mL of water? (MM of NaCl = 58.443 g/mol)
How to Calculate Molarity | Practice Problem #2
How many grams of AgNO3 are needed to prepare 250mL of 0.0125M AgNO3? (MM of AgNO3 = 169.87 g/mol)
Concentration Calculations 1 (molarity)
A tutorial on calculating the molarity or the concentration, of a solution.
Concentration Calculations 2 (ppm)
A tutorial on calculating the concentration of a solution in parts per million.
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