Well, look up the atomic weights of copper and oxygen; add them appropriately; divide the total for the copper by the total for the molecule; then multiply by 100 to get it as a percentage.
The -COOH attached to the CH3 is the acid functional group.
<h3>What is a functional group?</h3>
The term functional group refers to the atom, group of atoms or bond which accounts for the chemical reactivity of a compound.
The acid functional group is known by the formula -COOH. In this case, we can see that the -COOH attached to the CH3 is the acid functional group.
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Answer:
the answer is c)Irregular galaxies contain many newly-formed stars.
Explanation:
please find both your answer explained in the pictures i have attached