Chemistry, asked by animeshsahoo54, 1 year ago

Calculate no of o2 atoms in co2 gas which occupies 112ml at stp​

Answers

Answered by creativevishnu4
23

Answer:

Explanation:

Volume of one mole of any gas at stp = 22.4 litres = 22400 ml.

In given question, volume is 112 ml. So,

No. of moles of CO2 = 112/22400 = 1/200 = 0.005 moles.

For one molr of CO2, there us only 1 O2 atom. So for 0.005 moles of CO2, there are 0.005 O2 atoms.

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Answered by dsvignesh2005
2

Answer:

the answer is 60.02 atoms

Explanation:

It is given that the volume of CO2 at STP is 112 mL

we know that ,

1 mole of any gas at STP consists of 22.4 litres of the gas.

therefore , no. of moles = ( given volume ) / 22.4

                  no. of moles = 112 / 22,4

                  no. of moles = 5

we know that ,

no. of molecules = no. of moles x Avogadro's constant

no . of CO2 molecules = 5 x 6.02 x 10power23

no. of CO2 molecules = 30.1 x 10power23

we know that ,

EACH MOLECULE OF CO2 HAS 2 OXYGEN ATOMS

therefore , no. of oxygen atoms = 30.1 x 10power23 x 2

                  no. of oxygen atoms = 60.2 x 10power23

Hope its useful

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