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Masteriza [31]
3 years ago
5

The mass of the electron is..

Chemistry
2 answers:
musickatia [10]3 years ago
5 0
The answer to the question is b
Molodets [167]3 years ago
3 0
The correct answer is b, almost the same as a the proton
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Convert 8.50 moles Ca to atoms
Wewaii [24]

8.50 moles is equal to 5.1187×10²⁴ atoms of Ca.

<u>Explanation:</u>

We have to multiply the moles of Ca by the Avogadro's number:

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So the number of atoms:

= 8.5 moles × 6.022×10²³atoms / mol

= 5.1187×10²⁴ atoms

Hence the 8.50 moles is equal to 5.1187×10²⁴ atoms of Ca.

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