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