yousey176 yousey176

24-01-2021
Chemistry

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What is the total number of atoms in 3.0 molecules of propanone, CH3COCH3? (Avogadro’s constant = 6 x 1023 mol-1)

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quasarJose quasarJose

25-01-2021

Answer:

1.81 x 10²⁴atoms

Explanation:

Given parameters:

Number of molecules = 3 moles

Unknown:

Number of atoms = ?

Solution:

To solve this problem, we are going to use the mole concept.

1 mole of any substance contains 6.02 x 10²³ atoms

So

3 mole of propanone will contain 3 x 6.02 x 10²³ atoms = 1.81 x 10²⁴atoms

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