<h2>when is ph scale?</h2>
- pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.
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Explanation:
<em><u>SO2 + 2NaOH → Na2SO3 + H2O</u></em>
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B.Enviorment, Hope that helped
Answer:
A is the answer the reason why is because I got it right when I was doing my test