Homework Answers
In the solution is neutral, pH will not effect the solubility.
A)
CaCO3 is salt of Strong base (Ca(OH)2) and weak acid
Only base is strong
So, the salt CaCO3 is basic
Solubility will be effected by pH
b)
NaCl is salt of Strong base (NaOH) and Strong acid (HCl)
Both acid and base are strong
So, the salt NaCl is neutral
Solubility will not be effected by pH
c)
Fe(OH)2 is base as it has OH- in it.
Solubility will be effected by pH
d)
Mg(NO2)2 is salt of Strong base (Mg(OH)2) and weak acid
Only base is strong
So, the salt Mg(NO2)2 is basic
Solubility will be effected by pH
Answer: b
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