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How is the molecular mass of strontium determined?

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First off, Strontium is not a MOLECULE.. but an elemental atom. To figure out Atomic mass, that is a hard puzzle, and is dependent on the “average” atom in our part of the Multiverse. read more

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. read more

So the molar mass of strontium, nitrogen and oxygen is respectively 87.62 g/mol, 14.0067 g/mol and 15.9994 g/mol. Calculate the molecular weight of NO3. Since strontium nitrate consists of two nitrate ions, it is convenient to calculate the molecular weight of a nitrate ion and then multiply it by two. read more

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