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What is the number of oxygen atoms in 32g of the gas? (O ...

What is the number of oxygen atoms in 32g of the gas? (O = 16, L = 6.0 X 10 $^{23}$ mol $^{-1}$ )

A.

3.2 X 10 ₂₃

B.

6.0 X 10₂₃

C.

1.2 X 10₂₄

D.

1.6 X 10₂₄

E.

2.0 X 10₂₄

View answer & explanation

Correct answer is B

Oxygen is Diatomic

: 1 mole of oxygen contains 2 ATOMS

→ 2 X 16g = 32g

32g of the gas = 6.0 X 10 $^{23}$ mol $^{-1}$

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