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neha bhandare Grade: 11
        
i m nt able to understand mole concept...could u plz help me out...its since a long time i m studying bt its dificult to undertsand ...could u plz teach me frm beginning of this topic
2 years ago

Answers : (3)

Saurabh Kumar
askIITians Faculty
2411 Points
										The mole is a unit of measurement used in chemistry to express amounts of a chemical substance, defined as the amount of any substance that contains as many elementary entities (e.g., atoms, molecules, ions, electrons) as there are atoms in 12 grams of pure carbon-12 (12C), the isotope of carbon with relative atomic.
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2 years ago
CHANDRA KANTH
19 Points
										
I understand your problem. Their is many people were suffering from it. The main reason for it is studying without concentration and not doing hard work.
 
2 years ago
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