21. Avogadro's number
represents the number of atoms
in
(1 Point)
(i) 12 g of C12
(ii) 320 g of Sulphur
(iii) 32 g of oxygen
(iv) 12.7 g of iodine
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Answer:
(i) 12 of C12
1 mole = avagadro's number of paticles
which can also be written as :
The current definition was adopted in November 2018 as one of the seven SI base units, revising the previous definition that specified it as the number of atoms in 12 grams of carbon-12 (12C), an isotope of carbon.
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