How do you lower pH with muriatic acid?

1 Answer
anor277
Jun 17, 2016

pH = -log_10[H_3O^+]. Given the negative logarithmic scale, simple addition of HCl(aq) will lower pH substantially.

Explanation:

Given the negative logarithmic scale, increasing H_3O^+ concentration will substantially reduce pH.

The acid that we buy commercially, approx. "35% w/w", is about 10*mol*L^-1 with respect to HCl.

I hope I don't insult your intelligence when I remind you that "muriatic acid "=" hydrochloric acid".

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