Question

Let us to calculate no. of atoms present in 4 grams of carbon? ​

Answer 1

Answer:

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Answer 2

Explanation:

One mole of any element/compound has mass equal to its gram atomic/molecular mass.

We know that Carbon has atomic mass equal to 12g, I. E. One mole of carbon atom weighs 12g.

We know that one mole of any substance contains 6.0225X10^23 particles(atoms, molecules, ions, etc.).

Thus 12g of Carbon contains 6.0225X10^23 atoms of Carbon. Therefore 1g Carbon will contain (6.0225X10^23)/12 atoms of Carbon.

1g Carbon = 5.01875 X 10^22 atoms

4g Carbon = 2.0075 ×10^23 atoms