1) Sulfuric acid (H2SO4) belongs to diacids, because it contains two hydrogen atoms and therefore can form two types of salts:
a) acid salts, if only one hydrogen atom is replaced in the acid molecule. For example:
H2SO4 + NaOH = NaHSO4 + H2O
NaHSO4 – sodium hydrogen sulfate – acidic salt.
b) medium salts are formed. if two hydrogen atoms are replaced in an acid molecule. For example:
H2SO4 + 2NaOH = Na2SO4 + 2H2O
Na2SO4 – sodium sulfate – medium salt.
2) Nitric acid (HNO3) is a monobasic acid because it contains only one hydrogen atom and forms one kind of salt.
HNO3 + KOH = KNO3 + H2O
KNO3 – potassium nitrate – medium salt.
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