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quester [9]
2 years ago
5

1

Chemistry
1 answer:
vredina [299]2 years ago
7 0

9.331 x  10^{23} many individual oxygen atoms are contained in a sample of P₂O5 that also contains 0.620 moles of P.

<h3>What are moles?</h3>

A mole is defined as 6.02214076 × 10^{23}of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

P_2O_5 →  2P^+{^5} + 5O{^-^2}

Given:

0.620 moles of P

Let us assume a mole of oxygen atoms.

2÷0.620 = 5÷a                    Cross Multiply

2a = 0.620 x 5                   Divide both sides by 2

a= 0.310 x 5                      Combine

a = 1.55                              moles of oxygen.

Atoms are there in 1.55 moles of oxygen:

1 mole of anything contains 6.02 x 10^{23} items of  that mole

1.55 moles of oxygen contain x  atoms of oxygen

1÷1.55 = 6.02 x 10^{23} ÷x                  Cross multiply

1 x a = 1.55 x 6.02 x 10^{23}                   Combine

a = 9.331 x  10^{23}

Hence, 9.331 x  10^{23} many individual oxygen atoms are contained in a sample of P₂O5 that also contains 0.620 moles of P.

Learn more about moles here:

brainly.com/question/8455949

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