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Vikash Yadav

UP Board 12th Class- Maths 2021 (For Hindi Medium Students)
About UP Board Crash Course
3 years ago

mole

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SUNDARAM SINGH

3 years ago

One 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 Avogadro's constant. The concept of the mole can be used to convert between mass and number of particles

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