No. of oxygen molecules present in 320 u of oxygen gas is ...?

1.	No. of oxygen molecules present in 320 u of oxygen gas is ...?
Answer» MOLES = GIVEN mass/molar mass = 320/32 = 10 moles. Now, 1 mole corresponds to Avogadro's number. So, 10 moles corresponds to 10 times the Avogadro's number = 6.022×10²⁴ MOLECULES.

Answer»

MOLES = GIVEN mass/molar mass = 320/32 = 10 moles.

Now,

1 mole corresponds to Avogadro's number.

So, 10 moles corresponds to 10 times the Avogadro's number

= 6.022×10²⁴ MOLECULES.

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