Use of fractional distillation ?

1 answer:

n200080 [17]4 years ago

3 0

Fractinal distillation is used in the production of gasoline, distilled water, xylene, alcohol, paraffin, kerosene, and many other liquids.

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Answer:

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$^A _Z X$
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Z - the atomic number
X - the symbol of an element

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The mass number is the number of nucleons (protons + neutrons) in the nucleus of an atom, and it's given in the name of an isotope. Oxygen-16 has the mass number 16, oxygen-17 has the mass number 17, oxygen-18 has the mass number 18.

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