Question

No. Of oxygen atoms in 8g of ozone is

Answer 1

4 NO. OF ATOM IN OXYGEN

Answer 2

Concept Introduction:-

It could take the shape of a word or a number representation of the quantity's arithmetic value.

Given Information:-

We have been given that $8$ g of ozone

To Find:-

We have to find that No. Of oxygen atoms in $8$ g of ozone is

Solution:-

According to the problem

Molar mass of ozone$= 3 \times$ molar mass of $1$ oxygen atom $= 48$ grams

Number of moles in $48$ grams of ozone$=1$

Number of moles in $8$ grams of ozone$=\frac{8}{48}=\frac{1}{6}$

So, the number of moles of oxygen atom is $3$ times the number of moles of ozone because each ozone molecule contains $3$ oxygen atoms. Therefore, the number of moles in $8$g of ozone can be calculated as follows:

$N=3 \times\frac{1}{6}= \frac{1}{2}$

So, number of atoms (n) can be calculated by multiplying number of moles by Avogadro’s number as

$n=6.022\times 10^{23} \times \frac{1}{2}\\ =6.022\times \frac{10^{23}}{2}$

Final Answer:-

The correct answer is $6.022\times \frac{10^{23}}{2}$.

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