Lily S.

asked • 04/08/21

How do I know if a solution is acidic, basic, or neutral?

I get by looking at pH's you can tell, but given just the compound say LiNO2, LiNO3, KCN, NaClO, how do I know that KCN has the highest PH and is most basic? Is this based on the periodic table? It says each of the salts were dissolved in water for a 0.10M solution and I know the answer is KCN but I'm just not sure how. Same when it asks for lowest pH.

1 Expert Answer

By:

Lily S.

How do we know the base is strong? Do I look at the pka table because I don't see LiOH. I'm just really confused on how to know what's a strong base or acid
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04/08/21

Lily S.

Are all compounds with OH strong bases?
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04/08/21

J.R. S.

tutor
Yes except maybe Mg(OH)2 because it’s not to soluble. Pretty much all other OH compound will be strong bases.
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04/08/21

J.R. S.

tutor
...too soluble
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04/09/21

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