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Chemistry 9 Online
OpenStudy (anonymous):

CaCl2, what is the amu?

OpenStudy (abb0t):

amu = atomic mass units. it is basically the total mass of ALL the atoms combined along with thier coefficients, meaning add 1 Ca + 2 Cl\(_2\) molecules. you can find the molar mass by looking at your periodic table, if you don't have one, go here: http://ptable.com/

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