Chemistry, asked by tigergaming803109, 3 months ago

how many atom in 1.×10^-9gram of lead

Answers

Answered by 148IQ

1

Answer:

2.91 x 10^12 atoms.

Explanation:

1 mol of Pb = 207.2g

1E-9 / 207.2 = 4.83E-12

4.83E-12 x 6.02E23 = 2.91E12

So 2.91 x 10^12 atoms.

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