The molecular formula of chlorophyll b is:
Correct answer: A. C55H70O6N4Mg
- A. C55H70O6N4Mg
- B. C70H55O11N5Mg4
- C. C14H55O6N5Mg3
- D. C55H76O5N6Mg2
Explanation
The correct molecular formula of chlorophyll b is C55H70O6N4Mg. This formula indicates the presence of 55 carbon atoms, 70 hydrogen atoms, 6 oxygen atoms, 4 nitrogen atoms, and 1 magnesium atom. Option A is correct because it aligns with this molecular formula. Options B, C, and D have incorrect combinations of elements and quantities, making them incorrect choices for the molecular formula of chlorophyll b.
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