Covalent bonds hold hydrogen and oxygen together.
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Answer:
79.89%
Explanation:
Copper has a molar mass of 63.55
Oxygen has a molar mass of 16.00
If you add these you get 79.55
To get the mass percent of copper divide copper by the whole. 63.55/79.55*100= 79.89%
Answer:
c. 1 tablet
Explanation:
1.04 is rounded to 1 so 1 tablet a day is what he needs