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Stells [14]
2 years ago
14

Please Need help asap

Chemistry
1 answer:
ruslelena [56]2 years ago
4 0

Answer:

A

Explanation:

The number of protons and neutrons of an element is the same. the electrons are the only thing that can differ.  The atomic number equal the protons and neutrons.

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Answer is: mass od zinc is 392,28 g.
N(Zn) = 3,6·10²⁴.
n(Zn) = N(Zn) ÷ Na.
n(Zn) =  3,6·10²⁴ ÷ 6·10²³ 1/mol.
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m(Zn) = n(Zn) · M(Zn).
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Na - Avogadro number.
n - amount of substance.
M - molar mass.
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