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06:49 University of New Mexico

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Problem 23

Determine the formula weights of each of the following compounds: (a) nitric acid, HNO $_{3} ;$ (b) $\mathrm{KMnO}_{4} ;$ (c) $\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}$ (d) quartz, SiO $_{2} ;$ (e) gallium sulfide, (f) chromium(III) sulfate, (g) phosphorus trichloride.

a) 63.0 $\mathrm{amu}$
b) 158.0 $\mathrm{amu}$
c) 310.2 $\mathrm{amn}$
d) 60.1 $\mathrm{amn}$
e) 235.64 $\mathrm{lamu}$
f) 392.2 $\mathrm{amm}$
g) 137.3 $\mathrm{am} \mathrm{m}$

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## Video Transcript

the calculation for atomic beat off Adam, along with the total atomic weight off a molecule are provided the multiplication sign the prisons. The number off atom, along with their respective molecule awaits.