Chemistry, asked by saiprasad8389brainly, 11 months ago

What is the number of molecules of CO, which
contain 8g of O, ?
Ans.: 1.5 x 1023 molecules.

rahul077: here is the answer. question is= 8gram of o2

anwer 32 gms of oxygen are present in 1 mole of CO2

8 grams of oxygen will be in (1 x 8)/32 moles of CO2 = 0.25 moles

1 mole = 6.023 x 1023 molecules

Thus, 0.25 moles = 6.023 x 1023 x 0.25 molecules

= 1.5 x 1023 molecules contains 8 grams of O2.

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Answers

Answered by Aa006raw

your correct answer is 1.5 x 10^23 molecules

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What is the number of molecules of CO, whichcontain 8g of O, ?Ans.: 1.5 x 1023 molecules.​

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What is the number of molecules of CO, which
contain 8g of O, ?
Ans.: 1.5 x 1023 molecules.