Question

Calculate the number of electrons in 100 grams of Co2​

Answer 1

Answer:

Explanation: we know that. Given mass / Molecular mass

=No .of particles/ Avogadro no

Given mass = 100g

Molecular mass = 44 g

Avogadro no. = 6.022 x 10^23

Therefore. 44/100 =No of particles /6.022x10^23

44 x 6.022 x 10^ 23/100 = particles

= 204.960 x 10^ 21

Answer 2

Answer:

3.014x10∧25 electrons

Explanation:

one mole CO2 = 44 grams = 1 mole

100 grams of CO2​ = 2.27 moles

1 mole of CO2 contains 6.022x10∧23 atoms(molecules)

2.27moles of CO2 contains 13.7x10∧23 atoms

1 atom of CO2 contains 22 electrons.

So 100 g CO2 contains 22x13.7 x10∧23 electrons = 301.4x10∧23 electrons

= 3.014x10∧25 electrons