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10 23 moléculas H 2 O. A massa molar (M) é a massa de 1 mol de átomos, moléculas ou íons, dada em gramas. Se conhecemos a massa atômica (MA) de um elemento químico, podemos calcular a massa ...
Molar Mass and Percent Composition: Molar mass is an important topic in chemistry that helps science enthusiasts understand how to measure the substance at the molecular level. The molar mass is ...
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