C55H72MgN4O5. How many atoms are in this molecule?
1 answer:
There are 137 atoms in this molecule. C55 + H72 = 127. 127 + Mg (one atom of magnesium = 128. 128 + N4 = 132. 132 + O5 = 137.
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∴ w KIO3 = 553 g
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