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  1. How to calculate molarity (article) | Khan Academy

    Definitions of solution, solute, and solvent. How molarity is used to quantify the concentration of solute, and how to calculate molarity.

  2. Molarity (video) | Solutions and mixtures | Khan Academy

    The most common way to express solution concentration is molarity (M), which is defined as the amount of solute in moles divided by the volume of solution in liters: M = moles of solute/liters …

  3. Molarity (video) | Khan Academy

    The most common way to express solution concentration is molarity (M), which is defined as the amount of solute in moles divided by the volume of solution in liters: M = moles of solute/liters …

  4. Molarity vs. molality (video) | Khan Academy

    Learn how molarity and molality differ! The molality of a solution is equal to the moles of solute divided by the mass of solvent in kilograms, while the molarity of a solution is equal to the …

  5. Worked examples: Calculating [H₃O⁺] and pH - Khan Academy

    In this video, we'll solve for [H₃O⁺] and pH in two different worked examples. First, we'll walk through the possible approaches for calculating [H₃O⁺] from pOH. Then, we'll find the pH of …

  6. Dilution (video) | Solutions and mixtures | Khan Academy

    We can relate the concentrations and volumes before and after a dilution using the following equation: M₁V₁ = M₂V₂ where M₁ and V₁ represent the molarity and volume of the initial …

  7. Dilutions (video) | Molarity | Khan Academy

    The dilution equation (M1*V1) = (M2*V2) is used to calculate the molarities and volumes required for the dilution. This often starts with a concentrated stock solution, which is then diluted to …

  8. Worked example: Calculating concentration using the …

    In this video, we'll use the Beer–Lambert law to calculate the concentration of KMnO₄ in an unknown solution.

  9. Molarity calculations (practice) | Khan Academy

    KA Chemistry Class 11 Molarity calculations Google Classroom You might need: Calculator

  10. Acid–base titrations (video) | Khan Academy

    If we know the moles of our analyte and the original volume of the analyte, we can now calculate the concentration of the analyte solution in molarity that we began with which is the objective …