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Question

Question: > How many oxygen atoms will be present in 88 g of \(CO_{2}\)? > >...

How many oxygen atoms will be present in 88 g of CO2CO_{2}?

A

24.08×102324.08 \times 10^{23}

B

24.08×102324.08 \times 10^{23}

C

44×102344 \times 10^{23}

D

22×102422 \times 10^{24}

Answer

24.08×102324.08 \times 10^{23}

Explanation

Solution

(1) : 1 mole of CO2=44gCO_{2} = 44g

88 g CO2=2molesCO_{2} = 2moles

No. of oxygen atoms in 2 moles=2×2×NA= 2 \times 2 \times N_{A}

=2×2×6.023×1023=24.08×1023= 2 \times 2 \times 6.023 \times 10^{23} = 24.08 \times 10^{23}