https://www.khanacademy.org/science/ncert-grade-9-science/x72362069584dc551:exploring-mixtures-and-their-separation/x72362069584dc551:solutions/v/what-are-solutions 2025-10-01T17:00:46.216593062Z What are Solutions What are solutions and why are they important? In this video, we will learn about the definition of solutions, solute, and solvent, along with the different types of solutions - dilute, concentrated, and saturated. We will understand how solutions are essential for cellular functions and life processes. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw What are Solutions What are solutions and why are they important? In this video, we will learn about the definition of solutions, solute, and solvent, along with the different types of solutions - dilute, concentrated, and saturated. We will understand how solutions are essential for cellular functions and life processes. https://cdn.kastatic.org/ka-youtube-converted/5HC1fm6I2mQ.mp4/5HC1fm6I2mQ.mp4 388 Solutions https://www.khanacademy.org/science/class-9-chemistry/x46dd29ce84a663ea:is-matter-around-us-pure/x46dd29ce84a663ea:mixtures-and-solution/v/concentration-of-a-solution 2023-06-26T12:36:08.867767149Z Concentration of a solution How can we describe the differences between these two mixtures: One with 1 teaspoon of salt in water and other with 4 teaspoons of salt in water. Let's find out! Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Concentration of a solution How can we describe the differences between these two mixtures: One with 1 teaspoon of salt in water and other with 4 teaspoons of salt in water. Let's find out! https://cdn.kastatic.org/ka-youtube-converted/gtTJMNdY87A.mp4/gtTJMNdY87A.mp4 313 Solutions https://www.khanacademy.org/science/telangana-class-12-chemistry/x50160c6c142df488:solutions/x50160c6c142df488:expressing-concentration-of-solutions/v/mass-percent-volume-percent-mass-by-volume-percent 2025-03-25T12:35:46.112635003Z Mass percent, Volume percent, Mass by volume percent Expressing Concentration of Solutions Part 1: Concentration terms are all around you, in the ingredients list on fruit biscuits, sauce and even medicines! Let's explore mass percent (w/w), volume percent (v/v) and mass by volume percent (w/v) in this video in some detail. Ashish Shekhar video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Mass percent, Volume percent, Mass by volume percent Expressing Concentration of Solutions Part 1: Concentration terms are all around you, in the ingredients list on fruit biscuits, sauce and even medicines! Let's explore mass percent (w/w), volume percent (v/v) and mass by volume percent (w/v) in this video in some detail. https://cdn.kastatic.org/ka-youtube-converted/FfwIi-w6Jvs.mp4/FfwIi-w6Jvs.mp4 433 Solutions https://www.khanacademy.org/science/class-9-chemistry/x46dd29ce84a663ea:is-matter-around-us-pure/x46dd29ce84a663ea:mixtures-and-solution/e/concentration-of-a-solution 2025-02-06T05:32:11.208946943Z Concentration of a solution Let's solve a few problems to calculate the concentration of a given solution. Aanchal Arora exercise https://www.khanacademy.org/science/grade-7-science-snc-aligned/x64f379bc07a3640a:physical-and-chemical-changes/x64f379bc07a3640a:physical-properties/v/soluble-and-insoluble-ur 2025-08-08T00:24:37.843818748Z Soluble and Insoluble Created by Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Soluble and Insoluble Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/Rvy8hffWBgs.mp4/Rvy8hffWBgs.mp4 241 Solutions https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-2/x00110b31861f2508:materials-around-us/e/soluble-and-insoluble-substances 2026-04-07T23:17:37.123726494Z Soluble and Insoluble Substances Let's sort the objects around us based on their solubility. Revathi exercise https://www.khanacademy.org/science/grade-6-science-snc-aligned/x19bc096754f0b9af:mixtures/x19bc096754f0b9af:types-of-mixtures/v/temperature-increases-the-solubility-of-water-ur 2025-08-08T00:24:37.843818748Z Temperature increases the solubility of water Created by Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Temperature increases the solubility of water Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/EfdFEEhu_1s.mp4/EfdFEEhu_1s.mp4 237 Solutions https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:solutions-acids-and-bases/x2613d8165d88df5e:solubility/e/apply-solubility 2026-04-28T11:00:37.315336883Z Apply: Solubility Apply your understanding of solubility in this set of free, standards-aligned practice questions. Donna Fig exercise