What do the brackets in the following equation represent?[H3O+] × [OH-] = Kw
A. The molecule in brackets is undergoing hydrogen bonding with the other molecule in brackets.
B. The molecule inside does not react with the other molecules in brackets.
C. The first molecule in brackets is an acid and it reacts with the second molecule in brackets, which is a base.
D. The brackets mean the molarity of the compound inside them.
E. none of the above
Answer: D
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