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what is Avogadro number

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what is Avogadro number

Posted by Mahima Tiwari 3 years, 10 months ago

CBSE > Class 09 > Science

2 answers

Sanjay Kumar 3 years, 10 months ago

It was discovered by Scientist Avogadro and is used in mole concept. It is 6.022*10^23

0Thank You

Yogita Ingle 3 years, 10 months ago

The number of units in one mole of any substance is called Avogadro’s number or Avogadro’s constant. It is equal to 6.022140857×10²³. The units may be electrons, ions, atoms, or molecules, depending on the character of the reaction and the nature of the substance.

So, if you wanted to know the number of particles in 3 moles of a substance, the value would be:

= 3 x 6.023 x 10²³

= 1.81 x 10²⁴ particles

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CBSE > Class 09 > Science