Question

There are 6.022 x 1023 atoms of sodium in_____
1 mole sodium
23 gm sodium
Both a and b
None of these ​

Answer 1

Answer is both a and b as 1 mole sodium = 23 gm and both have Avogadro number of particles (6.022×10^23)

Answer 2

Answer:

One mole of oxygen atoms contains 6.02214179×1023 oxygen atoms. Also, one mole of nitrogen atoms contains 6.02214179×1023 nitrogen atoms. The number 6.02214179×1023 is called Avogadro's number ( NA ) or Avogadro's constant, after the 19th century scientist Amedeo Avogadro.

Each carbon-12 atom weighs about 1.99265×10−23g ; therefore,

(1.99265×10−23g)×(6.02214179×1023atoms)=12g of carbon-12

None of these

Explanation:

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