Solutions, acids, and bases | Chemistry | Khan Academy - Molarity | AP Chemistry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:intermolecular-forces-and-properties/x2eef969c74e0d802:solutions-and-mixtures/v/dilution Want to explore more? Check out the full Solutions, acids, and bases playlist here: https://youtube.com/playlist?list=PLSQl0a2vh4HAHzfFIPU3q0hDdHKTEPrz5&si=ODwD0LbDD3IH8KdB 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 of solution. A solution that is 1.00 molar (written 1.00 M) contains 1.00 mole of solute for every liter of solution. View more lessons or practice this subject at https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:intermolecular-forces-and-properties/x2eef969c74e0d802:solutions-and-mixtures/v/molarity Sections: 00:00 - Introduction to molarity 00:09 - Molarity definition and formula 00:34 - Problem setup: sodium sulfate in water 01:20 - Identifying solute and solvent 01:43 - Converting mass to moles using molar mass 02:26 - Molar mass of sodium sulfate 02:54 - Calculating moles of solute 03:30 - Converting volume to liters 03:45 - Final molarity calculation 04:38 - Result and interpretation of molarity ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc