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Chemistry Lessons

Interactive lessons with calculators, worked solutions, diagrams, and practice problems.

General Chemistry I

7 lessons

18 solve modes6 with practice3 interactive

Molarity

Easy

Calculate molarity from moles of solute and liters of solution.

3 Solve ModesPracticeInteractive

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Dilution

Easy

Calculate final volume using the dilution equation M₁V₁ = M₂V₂.

3 Solve ModesPracticeInteractive

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Percent Yield

Easy

Calculate percent yield from actual yield and theoretical yield.

1 Solve ModesInteractive

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Mass ↔ Moles

Easy

Convert between grams and moles using molar mass.

2 Solve ModesPractice

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Ideal Gas Law

Easy

Solve PV = nRT for pressure, volume, moles, or temperature.

4 Solve ModesPractice

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Density

Easy

Solve for density, mass, or volume using d = m ÷ V.

3 Solve ModesPractice

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Percent Composition

Easy

Calculate percent composition from element mass and compound mass.

2 Solve ModesPractice

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