How many atoms of oxygen are there in 200 g of silver nitrate?
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To calculate the number of atoms in a sample, divide its weight in grams by the amu atomic mass from the periodic table, then multiply the result by Avogadro's number: 6.02 x 10^23. In one silver nitrate formula unit, there are 3 oxygen ATOMS, 1 nitrogen ATOM, and 1 silver atom.
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