Explain With Examples What is meant by a Mole of
Subtance
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Answers
Answer:
hi bro here is your answer A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance. The mole is the SI unit for the amount of a substance. Its symbol is mol. By definition: 1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 1023 of carbon atoms (to 10 significant figures).
Explanation:
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Answer:
Like we use dozens in our day to day life similar we use moles in chemistry.
Examples : 1 dozen oranges = 12 oranges
1 dozen bananas = 12 bananas
in chemistry we use moles
Example : 1 mole atoms = 6.022×10^23 ( ^ : raised to power ) .
The unit of mole is = 6.022×10^23 .
mole is also known as Avagadros number ,represented by NA ( A in subscript )
MOLE is defined as the mass of 1/12th of Carbon 12 isotope .
ISOTOPE : Elements having same number of protons but different number of neutrons in each atom .