The mole can be used to measure
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The mole can be used to measure
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WebMar 29, 2024 · Tape a piece of paper to a hard floor, ensuring the paper doesn’t slip. Stand with one foot on the paper and a slight bend in your knees. You can also sit in a chair, but … WebCalculations involving the mole can be used to determine unknown concentrations, volumes and masses in reactions. One mole of any gas occupies 24 cubic decimetres at room temperature and pressure.
WebOne mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or … WebMar 29, 2024 · Tape a piece of paper to a hard floor, ensuring the paper doesn’t slip. Stand with one foot on the paper and a slight bend in your knees. You can also sit in a chair, but make sure your feet are firmly planted on the ground. With a pen or pencil pointed straight down, trace the outline of your foot on the paper.
WebMay 30, 2014 · 25. Why is the definition of the moles as it is? It is a rather arbitary definition that the mole is the number of atoms in 12g of carbon 12. This has not always been the definition. For example, prior to 1960, the definition was based upon oxygen rather than carbon-12. The first standard was based upon 1 gram of hydrogen. WebSep 9, 2015 · The mole is simply a very large number that is used by chemists as a unit of measurement. Explanation: The mole is simply a very large number, 6.022 × 1023, that has a special property. If I have 6.022 × 1023 hydrogen atoms, I have a mass of 1 gram of hydrogen atoms .
WebThe mole is a unit of measure in the metric system. True False Atomic weight, molecular weight, and molar mass By setting the mass of one mole of 12 C equal to 12 grams and one 12 C atom to 12 amu, the scientists made it possible to easily convert between an element’s atomic mass and its molar mass—the mass of one mole of molecules.
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