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1 mole of carbon

Scales with 12 grams of pure carbon-12 powder.

Exactly 12 grams of pure carbon-12 powder is known as one mole. The number of atoms of carbon-12 present in this one mole sample is 6.022 136 7 x 1023. This number is known as Avogadro’s number.

Rights: Andrew Lambert Photography/Science Photo Library
Published:17 August 2011Size: 26.33 KB