Chemistry, asked by apritam4333, 9 months ago

How many oxygen molecules are there in 20g of oxygen gas?

Answers

Answered by anrahull

3

Answer:

hi

your answer is

Explanation:

we know in

mass of one mole oxygen molecule(o²) is 32g

so mass of 20g o² contains

= 1mole molecule /32×20 g

= 1Nm ×5/8

=6.022×10²³×5/8

please mark this as brainliest answer

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