Chemistry, asked by abdulfidhal, 6 months ago

calculate number of atoms of following.
a, 140g C atom​

Answers

Answered by hamsasamved
0

Answer:

To calculate the number of atoms in a sample, divide its weight in grams by the amu atomic mass from the periodic table, then multiply the result by Avogadro's number: 6.02 x 10^23.

Explanation:

Answered by gouri516
0

Answer:

Explanation:

12 g is 1 mole

140g is 140/20

7 moles

1 mole ------------Na= 6 x 10²³atoms

7 moles ------------7x6x10²³

42x10²³ atoms

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