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If 1 mole of sodium contains 6 x 10²³ atoms, how ...

If 1 mole of sodium contains 6 x 10²³ atoms, how many atoms are contained in 0.6 g of sodium? [Na = 23]

A.

1.56 x 10²³

B.

1.56 x 10²²

C.

3.6 x 10²³

D.

3.6 x 10²²

View answer & explanation

Correct answer is B

23g of sodium contain 6 x 10₂₃ atoms :. 0.6g of sodium will contain \(\frac{0.6 x 6 x 10²³}{23}/) = 1.56 x 10²²

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