Explain mole concept briefly .
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Answer:
One mole is defined as the amount of substance of a system which contains as many entities like, atoms, molecules and ions as there are atoms in 12 grams of carbon - 12". ... The number of the particles present in one mole of any substance = 6.022x10 23. This is called avogadro's number or Avogadro's constant.
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law of chemical combination for law law of conservation of mass 30 was study by a great friend chemist antenna visa in 1789 is known as stated as following for all physical and chemical changes the total mass of reaction is equal to the total mass of product according to this there is no increase or decrease in the mass of the matter during of is chemical or physical change can be neither created nor destroyed and C is low was also called indestructibility law second law of constant composition or defined at proposal was discovered by French chemist major project in 1799 and deals with the composition of element in present in the given compound its state that a chemical compound is always found to be make up of same element combined together in fixed proportion by mass third law of multiple ocean floor Jise loafers for study by that and in 1804 may be defined as when two elements combine to form two or more chemical compounds then the masses of one of the element which was a fixed mass of other b r a simple ratio example compound of carbon and oxygen element carbon combines with oxygen to form two compounds name requirement Action type carbon monoxide in 02 12 parts by matches of carbon combined with 32 by mass of oxygen well carbon monoxide 12165 mass of oxygen