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Encyclopedia
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Carbon-12: Encyclopedia - Carbon-12
Carbon-12 is the more abundant (98.89%) of the two stable isotopes of the element carbon. It contains 6 protons, 6 neutrons and 6 electro...
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Carbon-12: Encyclopedia Ii - Carbon-12 - History
Prior to 1959 both the IUPAP and IUPAC tended to use used oxygen to define the mole, the chemists defining the mole as the number of atom...
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Encyclopedia
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Mole Unit: Encyclopedia Ii - Mole Unit - Example Calculation
In this example, moles are used to calculate the mass of CO2 given off when 1 g of ethane is burnt. The equation for this chemical r...
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Encyclopedia
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Mole Unit: Encyclopedia Ii - Mole Unit - Example Calculation
In this example, moles are used to calculate the mass of CO2 given off when 1 g of ethane is burnt. The equation for this chemical r...
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Encyclopedia
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Mole Unit: Encyclopedia Ii - Mole Unit - Definition
A mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 12 grams of carbon 12, whe...
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Mole Unit: Encyclopedia Ii - Mole Unit - Utility Of Moles
The mole is useful in chemistry because it allows different substances to be measured in a comparable way. Using the same number of moles...
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Encyclopedia
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Mole Unit: Encyclopedia Ii - Mole Unit - Definition
A mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 12 grams of carbon 12, whe...
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Encyclopedia
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Mole Unit: Encyclopedia Ii - Mole Unit - Elementary Entities
When the mole is used to specify the amount of a substance, the kind of elementary entities (particles) in the substance must be identifi...
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Encyclopedia
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Mole Unit: Encyclopedia Ii - Mole Unit - History
The name mole is attributed to Wilhelm Ostwald who introduced the concept in the year 1902. He used it to express the gram molecular weig...
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