What is the (H3O+) for a solution whose pH is 5.42

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

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the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

c. electrical charges of ionic bonds.

the answer is c.the valence of the atoms combine .