Chemistry, asked by tanishka26singh, 4 months ago

Calculate the no. of copper atoms in 0.3175 gram of Copper?

Answers

Answered by ponagantiyakobu11125

0

Answer:

how with a calculater ....

Answered by Adrijap

5

Answer:

mass of 1 Cu atom = 1.055×10^-22 g

number of Cu atoms in 0.3175g of Copper = 1 / (1.055×10^-22) × 0.3175 = 0.3 × 10^22 = 3 × 10^21

Explanation:

hope it helps...

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