Question
Asked Sep 19, 2019
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Calculate the number of phosphorus atoms in

0.9 g of phosphorus.
Answer in units of atoms.

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Expert Answer

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Step 1

Given,
Mass of phosphorus = 0.9 g

Moles of phosphorus can be calculated as:

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Mass of phosphorus Mole =Molar mass of phosphorus 0.9 g Mole 30.97 g/mol 0.029 mol

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Step 2

The number of atoms of phosphor...

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6.022 x 1023 atoms 1 mol contains 6.022 x 1023 atoms x 0.029 mol . 0.029 mol contains 1 mol = 1.746 x 1022 atoms

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Chemistry

General Chemistry

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