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A mole symbol mol is defined as the amount of substance that contains as many atoms, molecules, ions, electrons or any other elementary entities as there are. Aieee 2002 paper with solutions for physics, chemistry and maths. Pdfdownload allen maths chapterwise notes and problems. The mole concept is a convenient method of expressing the amount of a substance. Difficulties in teaching the concepts of amount of. Percentage composition and molecula some basic concepts of chemist. If you are planning to proceed with this concept, then it is necessary to gain precise knowledge about molecular mass and mole concept. Pdf difficulties in teaching the concepts of amount of substance. Question bank for neet chemistry some basic concepts of chemistry self evaluation test some basic c some basic concepts of chemist. Pdf mole as a fundamental unit like meter, liter, second etc. Mcq quiz on mole concept multiple choice questions and answers on mole concept mcq questions on mole concept objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Download allen kota maths chapterwise notes and problems with solutions all jee mainsadvance study materials available to download for free. The term mole has been derived from the latin word moles which means a heap or a pile. The number of atoms in 12 gm of is called avogadros number.
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