Ratio of number of atoms in one mole of oxygen to ozone is _____ Options: A . &nbsp 4 7 B . &nbsp 2 3 C . &nbsp 1 3 D . &nbsp 2 4

Answer: Option B : B Oxygen is diatomic ( O 2 ) and Ozone is triatomic ( O 3 ). Thus, 1 mole of oxygen = 6.022 × 10 23 molecules of O 2 = 2 × 6.022 × 10 23 atoms of O. 1 mole of Ozone = 6.022 × 10 23 molecules of O 3 = 3 × 6.022 × 10 23 atoms of O The ration is = 2 × 6.022 × 10 23 3 × 6.022 × 10 23 = 2 3

Ratio of number of atoms in one mole of oxygen to ozone is ____

Discussion Forum : Mole Concept

Question -

Ratio of number of atoms in one mole of oxygen to ozone is _____

Options:

A .

\frac{4}{7}

B .

\frac{2}{3}

C .

\frac{1}{3}

D .

\frac{2}{4}

Answer: Option B
:
B

Oxygen is diatomic ( $O_{2}$ ) and Ozone is triatomic ( $O_{3}$ ).

Thus,

1 mole of oxygen = 6.022 $\times$ $10^{23}$ molecules of $O_{2}$ = 2 $\times$ 6.022 $\times$ $10^{23}$ atoms of O.

1 mole of Ozone = 6.022 $\times$ $10^{23}$ molecules of $O_{3}$ = 3 $\times$ 6.022 $\times$ $10^{23}$ atoms of O

The ration is = $\frac{2 \times 6.022 \times 10^{23}}{3 \times 6.022 \times 10^{23}}$ = $\frac{2}{3}$

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