How many atoms of phosphorus (symbol p) are in 45.67g of p? (your answer should just be a number. do not include atoms as the unit. for scientific notation use the "^" symbol before the exponent. for example 2.54 x 10^5)

8.882 × 10^23

Explanation:

The molar mass of phosphorus is 30.97 g/mol. The moles of P corresponding to 45.67 g are:

45.67 g × (1 mol/30.97 g) = 1.475 mol

In 1 mole of P, there are 6.022 × 10²³ atoms of P (Avogadro's number). The number of atoms of P in 1.475 moles are:

1.475 mol × (6.022 × 10²³ atoms/1 mol) = 8.882 × 10²³ atoms

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