mole...

Sally posted @ Mon, 11 Jan 2010 01:16:33 -0700 , 787 readers

 http://www.ausetute.com.au/moledefs.html

  • Mole is abbreviated to mol and given the symbol n

     

  • 1 mole contains the same number of particles as there are in 12g of carbon-12 atoms by definition.
    This number is called Avogadro's number or Avogadro's constant (NA) and is equal to 6.022 x 1023 particles.

     

  • 1 mole of a pure substance has a mass in grams equal to its molecular mass (MM) [also known as molecular weight (MW) or formula mass (FM) or formula weight (FW)].
    This is often referred to as the molar mass.

     

  • 1 mole of an ideal gas has a volume of:

        22.4 litres (22.4L) at S.T.P. 
        [Standard Temperature and Pressure, 0oC (273K) and 101.3kPa (1 atm)]

        24.47 litres (24.47L) at S.L.C 
        [Standard Laboratory Conditions, 25oC (298K) and 101.3kPa (1atm)]

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zaiya said:
Sat, 28 Aug 2021 07:17:45 -0600

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Emma said:
Thu, 20 Jul 2023 10:09:00 -0600

The information provided on the website about moles is clear joint pain icd 10 and concise. It explains the concept of a mole and its relationship to particles, mass, and volume. The use of Avogadro's number and the molar mass is well-explained. The inclusion of standard temperature and pressure values further enhances the understanding. Overall, it's a helpful resource for anyone seeking to grasp the concept of moles.

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Alyssa said:
Wed, 04 Oct 2023 02:52:40 -0600

The mole, in chemistry, is defined as the amount of a substance that contains the same number of entities (atoms, molecules, ions, etc.) as there are atoms in 12 grams of carbon-12, which my response is approximately 6.022 x 10^23 entities. This number is known as Avogadro's number, and it plays a crucial role in understanding the relationships between the mass, moles, and number of particles in chemical reactions.


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