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lions [1.4K]
3 years ago
9

What causes some aqueous solutions to have a low PH?

Chemistry
1 answer:
noname [10]3 years ago
5 0
<span> Low pH means the solution is acidic; if the solution is acidic, that means that there are hydronium ions in solution (H3O+). For example, hydrochloric acid dissolves into H+ ions and Cl- ions, and the H+ ions rreact with water like this:
H+ + H2O --> H3O+

If you want to get mathematical, pH is defined as the negative log of the concentration of hydronium ions.
Thus, if there are a lot of hydronium ions, the solution will have a low, or acidic, pH.  Hope this helps^-^</span>
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Answer:

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The solution would need 13.9 g of KCl

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0.75 moles in 1 kg of solvent.

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