Question

How many atoms are present in 0.0845 moles of tungsten?

Answer 1

1 mole tungsten ------------- 6.02 x 10²³ atoms
0.0845 moles ---------------- ( atoms tungsten )

atoms tungsten = 0.0845 x ( 6.02 x 10²³) / 1

atoms tungsten = 5.08 x 10²² / 1

= 5.08 x 10²² atoms of tungsten

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