acid salt(redirected from Protosalt)
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a salt in which not all of the ionizable hydrogen of the acid is replaced by the electropositive element; for example, NaHSO4, KH2PO4.
a salt formed from an acid with two or more bases by only partial replacement of hydrogen ions from the related acid, leaving some degree of acidity. An example is sodium bicarbonate, which is also identified as sodium acid carbonate or sodium hydrogen carbonate.
A salt in which one or more hydrogen atoms is replaceable.
See also: salt