Is it possible to see the tiny particles that make up a grain of sand

Chemistry

2 answers:

77julia77 [94]4 years ago

6 0

Technically speaking, yes you can. Using a microscope though.

kodGreya [7K]4 years ago

3 0

Yes, if you keep on splitting sand in half, you can.

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What is the mass of 3.6 x 1024 atoms of Zinc (Zn)?

AlladinOne [14]

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.
n(Zn) = 6 mol.
m(Zn) = n(Zn) · M(Zn).
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Na - Avogadro number.
n - amount of substance.
M - molar mass.

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Nikolay [14]

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Below is an attachment containing the solution.