How many mol of potassium are represented by 7.85 x 10^23 potassium atoms?

The moles of potassium element is 1.30 moles.

Explanation:

We are given:

Number of potassium atoms =

According to mole concept:

number of atoms are contained in 1 mole of an element

So, number of atoms will be contained in of potassium element

Hence, the moles of potassium element is 1.30 moles.

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