Question

Calculate the number of atoms in 52 gram of he

Answer 1

Answer:

Salt (sodium chloride) is made from positive sodium ions bonded to negative chloride ions. Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions.

Answer 2

Answer:

✔✔ 13 atoms

and

NO of molecules = 1 g of He = (6.022 X 1023) / 4 atoms of He

52 g of He = (6.022 X 1023X 52 ) / 4 atoms of He

= 7.829 X 1024 atoms of He ✔✔

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