11 Solutions of honum chloride and sodiu
Dewolubie barium sulphate
1 Sodium oxide solution in water
beid solution in water to produce
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Answer:
A salt is an ionic compound that is formed when an acid and a base neutralize each other. While it may seem that salt solutions would always be neutral, they can frequently be either acidic or basic.
Consider the salt formed when the weak acid hydrofluoric acid is neutralized by the strong base sodium hydroxide. The molecular and net ionic equations are shown below.
& text{HF}(aq)+text{NaOH}(aq) rightarrow text{NaF}(aq)+text{H}_2text{O}(l) \& text{HF}(aq)+text{OH}^-(aq) rightarrow text{F}^-(aq)+text{H}_2text{O}(l)
Since sodium fluoride is soluble, the sodium ion is a spectator ion in the neutralization reaction. The fluoride ion is capable of reacting, to a small extent, with water, accepting a proton.
text{F}^-(aq)+text{H}_2text{O}(l) rightleftarrows text{HF}(aq)+text{OH}^-(aq)
The fluoride ion is acting as a weak Brønsted-Lowry base. The hydroxide ion that is produced as a result of the above reaction makes the solution slightly basic. Salt hydrolysis is a reaction in which one of the ions from a salt reacts with water, forming either an acidic or basic solution.