Saturday, February 13, 2010

Mole concept

Define mole. Describe the importance of mole concept in chemistry?

12 comments:

  1. The definition of the term mole, as defined in our Chemistry book, is the amount of a substance that contains 6.02x10^23 representative particles of that substance. The mole concept is important because it makes counting small particles in a large quantity easier. It is an optimal way to measure extremely large amounts of something.

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  2. The mole is one of the base SI units to measure the amount of substance. The symbol for this unit is mol not mole (note there is only one difference; e is missing from the symbol). The amount of substance can be measured in three units, namely, amu, grams, and moles depending upon the size of the substance. The mole defined as, the amount of substance that contains the same number of entities (atoms, molecules, or other particles like ions)

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  3. A mole is the amount of a substance that contains 6.02 x 10^23 representative particles of that substance. The mole is another type of SI unit of measurement. The mole is important because it is used to measure small molecules (or particle like ions) in large numbers; therefore making it easier to measure a single group of molecules in a large group that otherwise would take a greater length of time to measure.

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  4. The mole is the SI base unit of amount of substance.The importance of the mole is that any statement that can be made about the number of atoms of an element in a molecule or formula unit of a substance can also be made about the number of moles of an element in a mole of the substance.

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  5. basically the mole is one of the base SI units to measure the amount of substance.the mole concept is important because it makes counting small particles in a large quantity effortless. It is an flawless way to measure extremely large amounts of anything.

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  6. The definition of a mole is the amount of a substance that contains 6.02 * 10^23 representative particles of that subsance. The concept of a mole is important because it is use to count small particles in large amount. it makes it easy to measure small groups.

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  7. A mole is the amount of a substance that contains 6.02 X 10^23 representative particles of that substance. Chemical reactions often take place at levels where using grams wouldn't make sense, yet using absolute numbers of atoms/molecules/ions would be confusing. So, moles give a consistent method to convert between atoms/molecules and grams. It's simply a convenient unit to use when performing calculations.

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  8. Mole is the amount of a substance that contains 6.02 * 10^23 reprasentative of that substance. Moles is used to measure minute particles in groups. It is used because it is moore efficient than grams or any other metric unit.

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  9. A mole is defined as the amount of pure substance containing the same number of chemical units found in SI units considering there are approximately 12 grams of carbon-12 such as 6.02x1023. This basically involves around the acceptance of two dictates that has a scale of atomic masses and a magnitude of grams. The whole concept of the number of units of a mole was created by the Italian chemist Amedeo Avogadro. He is the reason why the value of 6.02x1023 is called Avogadro's number. However: the importance of the mole concept is to enforce a consistent method of converting between atoms, molecules, and grams when calculated.

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  10. A mole, as in the mole of a substance, is 6.02*10^23 representative particles of that substance and is the SI unit for measuring the amount of a substance. Moles are important because basically, they enable us to count particles which are not practical to count by hand. Chemist use this unit which is a specified number of particles.

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  11. The mole is a reprsentative unit of SI. It is important because it allows individuals from all over the world to measure small ion like quantities efficiently; it allows them all to be on the same accord.

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  12. A mole is the SI base unit of amount of substance; one of a few units used to measure this physical quantity.

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