Calculate the number of N O 2 molecules in 4 moles of a pure sample of NO 2 molecules-A- 6-022 - 1023B- 12-044 - 1023C- 24-088 - 1023D- 2-408 - 1023

The correct option is C 24.088 × 10^23We know, 1 mole of NO_2 = 6.022 × 10^23 NO_2 molecules So, 4 moles of NO_2 = (6.022 × 10^23× 4) molecules = 24.088 × 10 ...

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Standard XII

Chemistry

Mole Concept

Calculate the...

Question

Calculate the number of $N O_{2}$ molecules in 4 moles of a pure sample of $N O_{2}$ molecules.

6.022 \times 10^{23}

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24.088 \times 10^{23}

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2.408 \times 10^{23}

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12.044 \times 10^{23}

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Solution

The correct option is B $24.088 \times 10^{23}$
We know,
1 mole of $N O_{2} = 6.022 \times 10^{23} N O_{2}$ molecules

So, 4 moles of $N O_{2} = (6.022 \times 10^{23} \times 4)$ molecules $= 24.088 \times 10^{23} N O_{2}$ molecules

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Calculate the number of NO2 molecules in 4 moles of a pure sample of NO2 molecules.

The correct option is B 24.088×1023We know, 1 mole of NO2=6.022×1023 NO2 molecules So, 4 moles of NO2=(6.022×1023×4) molecules =24.088×1023 NO2 molecules

Calculate the number of $N O_{2}$ molecules in 4 moles of a pure sample of $N O_{2}$ molecules.

The correct option is B $24.088 \times 10^{23}$
We know,
1 mole of $N O_{2} = 6.022 \times 10^{23} N O_{2}$ molecules

So, 4 moles of $N O_{2} = (6.022 \times 10^{23} \times 4)$ molecules $= 24.088 \times 10^{23} N O_{2}$ molecules