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Question

Question: The number of oxygen atoms in 4.4 g of \(CO_{2}\)is approx....

The number of oxygen atoms in 4.4 g of CO2CO_{2}is approx.

A

1.2×10231.2 \times 10^{23}

B

6×10226 \times 10^{22}

C

6×10236 \times 10^{23}

D

12×102312 \times 10^{23}

Answer

1.2×10231.2 \times 10^{23}

Explanation

Solution

44g of CO2 has 2×6×10232 \times 6 \times 10^{23}atoms of oxygen

4.4g of CO2 has =12×102344×4.4\frac{12 \times 10^{23}}{44} \times 4.4

=1.2×1023= 1.2 \times 10^{23} atoms.