Aspartame-C14H18N2O5
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Molecular wt of aspartame is (14 * 12) + (18 * 1) + (2 * 14) + (5 * 16) = 294
That's the quantity of each type of atom times the atomic weight of that atom individualy, then add all up to get the molecular weight.
294 grams is 1 mole of aspartame and it contains 6.02 * 10^23 molecules of aspartame. (Avogadro's number.)
The number of N atoms is 2 * 1.2 / 294 all times 6.02 * 10^ 23 = 4.9 * 10^21
That's 2 N atoms per molecule * 1.2 grams of aspartame / the mol wt of aspartame times Avogadro's number.
That's the quantity of each type of atom times the atomic weight of that atom individualy, then add all up to get the molecular weight.
294 grams is 1 mole of aspartame and it contains 6.02 * 10^23 molecules of aspartame. (Avogadro's number.)
The number of N atoms is 2 * 1.2 / 294 all times 6.02 * 10^ 23 = 4.9 * 10^21
That's 2 N atoms per molecule * 1.2 grams of aspartame / the mol wt of aspartame times Avogadro's number.