Question

What is the number of molecules of Co2
Present that contain 8g of O₂
?​

Answer 1

Answer:

= 1.505 x 10^23 molecules contains 8 grams of O2.

Explanation:

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Answer 2

Answer: O.25 MOLES OR $1.505*10^{23}$ MOLECULES

Explanation:

in co2

32 g of oxygen combine with 12 g of carbon

1 g of oxygen combine with12/32

8 g combine with12/32×8

=3g

wt og co2= 8+3g

= 11 g

no of mole of co2= given wt/ molecular wt

=11/44

=1/4

=0.25 moles ans.

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