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Determination of Molar Mass of Gases and Volatile Liquids - AP* Chemistry Classic Laboratory Kit

by Flinn Scientific

Item #: AP8814

Price: $99.35

The Determination of Molar Mass of Gases & Volatile Liquids Classic Lab Kit for AP* Chemistry teaches students to compare the molar mass of specific gases by comparing masses of equal volumes of gases at the same temperature and pressure.

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Classic AP Requirement #3—Determination of the Molar Mass by Vapor Density The molar masses of specific gases are found by comparing masses of equal volumes of gases at the same temperature and pressure. Oxygen gas is selected as a standard and molar masses are assigned from it. In Part 2, the molar masses of specific volatile liquids are determined in a microscale experiment and by use of the Ideal Gas Law. Students gain experience in handling gases, using the analytical balance, and in microscale chemistry procedures. Complete for 24 students working in pairs. Materials Supplied: Acetone Ethyl Alcohol Isopropyl Alcohol Syringes, 60-mL, 12 Friction Caps, 12 Nails, 12 Gas Delivery Bag Kits, 2 Pipets, Beral-Type, 100Flinn Transition Guide Available! Adapt this classic AP Chemistry experiment for guided-inquiry and correlate with the AP Chemistry curriculum framework with the Flinn Scientific Inquiry Guidance and AP* Chemistry Curriculum Alignment Guide. Follow the link below to find this valuable publication!


Materials Included in Kit (for 24 students working in pairs): Acetone, ethyl alcohol, isopropyl alcohol, syringes, friction caps, nails, gas delivery bag kits, Beral-type pipets. Additional Materials Required: 0.001-g precision balances (3 to share), barometer, beakers, boiling stones, pinchcock clamps, various gas cylinders (e.g., carbon dioxide, oxygen, helium), hot plates, permanent markers, pipet tip, medicine droppers, pliers (shared), poly bags, #2 1-hole rubber stoppers, #10 1-hole rubber stoppers, scissors, support stands, test tube clamps, thermometers, latex tubing. *Advanced Placement and AP are registered trademarks of the College Board, which was not involved in the production of, and does not endorse, these products.