Final answer:
The mass of 1 mole of oxygen atoms is 16 grams. The number of moles of oxygen atoms in a glass of water is 1 mole.
Step-by-step explanation:
The molar mass of oxygen (O) is approximately 16 grams per mole. Therefore, the mass of 1 mole of oxygen atoms is 16 grams.
Given that the molar mass of water (H2O) is approximately 18 grams per mole, we can calculate the number of moles of oxygen atoms in a glass of water. Since water consists of 2 hydrogen atoms and 1 oxygen atom, the mass of the oxygen atom is approximately 16 grams per mole. Therefore, the mass of a glass of water (which contains 1 oxygen atom) is also approximately 16 grams. Thus, the number of moles of oxygen atoms in a glass of water is 1 mole.
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