You weigh out 43.9 g of potassium (K). How many moles of potassium did you weigh? How many atoms?

1.12 moles of potassium

6.76x10²³ atoms of potassium

Explanation:

In order to convert g of potassium to moles, we need to use its molar mass (which we can find via the periodic table):

Then, to convert moles into atoms, we use Avogadro's number (6.023x10²³ atoms per mole):

3 1/4 %

explanation:

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