The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water.
a. LiBr
b. NaNO3
c. FeCl3
d. Mg(NO3)2
LiBr + H2O ==> Li^+(aq) + Br^-(aq)
All you do is just write out the equation onto the product side.
B. NaNO3(s)→Na^+(aq)+NO3^−(aq)
C. FeCl3(s)→Fe3^+(aq)+3Cl^−(aq)
The same for D.
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a. LiBr:
LiBr(s) ⟶ Li+(aq) + Br-(aq)
b. NaNO3:
NaNO3(s) ⟶ Na+(aq) + NO3-(aq)
c. FeCl3:
FeCl3(s) ⟶ Fe3+(aq) + 3 Cl-(aq)
d. Mg(NO3)2:
Mg(NO3)2(s) ⟶ Mg2+(aq) + 2 NO3-(aq)
To write balanced equations for the dissociation of soluble salts in water, we need to recognize that these salts dissociate into their respective ions when dissolved in water.
a. LiBr dissociates into Li+ and Br- ions:
LiBr(s) -> Li+(aq) + Br-(aq)
b. NaNO3 dissociates into Na+ and NO3- ions:
NaNO3(s) -> Na+(aq) + NO3-(aq)
c. FeCl3 dissociates into Fe3+ and Cl- ions:
FeCl3(s) -> Fe3+(aq) + 3Cl-(aq)
d. Mg(NO3)2 dissociates into Mg2+ and 2 NO3- ions:
Mg(NO3)2(s) -> Mg2+(aq) + 2NO3-(aq)
It's important to note that these equations show the complete dissociation of the salts into ions.