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Moles formulas

QuestionAnswer
what s molar mass ? the mass of an element as on the periodic table (g mol^-1) (multiply it by the amount of the element)
what is mass ? mass of the sample (g) = molar mass X number of moles
what is the number of mole ? mass of sample / molar mass (mol)
what is the number of molecules ? number of moles X 6.02 X 10^23
what is the number of atoms in one molecule ? how many of each molecule eg: CO2 = 3
what is the total number of atoms ? number of molecules X number of atoms (NT)
Created by: lipikaa
 

 



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