Let's determine the acidity/basicity of the cation/anion in each salt and the overall acidity/basicity of the salt.
▪ main group metal → group 1A → +1 charge
▪ less than +3 → neutral
• HCO3- → polyatomic ion
▪ add H+: HCO3- + H+ → H2CO3
▪ H2CO3 → weak acid
▪ CO32- → basic
▪ neutral + basic → basic
NaHCO3 → basic
▪ positive amines → acidic
▪ add H+: Cl- + H+ → HCl
▪ HCl → strong acid
▪ Cl- → neutral
▪ acidic + neutral → acidic
CH3CH2NH3Cl → acidic
Determine whether the solutions formed by each salt will be acidic, basic, or neutral.
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