WorksheetsPrecipitate Rxn
Total questions: 21
Worksheet time: 33mins
What of these is always soluble?
Nitrates
Phosphates
Carbonates
Hydroxides
Which of these is a balanced double replacement reaction?
Al2O3 (s) + 3 CO2 (g) --> Al2(CO3)3
Ba(OH)2 (s) → BaO (s) + H2O (aq)
2 KF(aq) + Ca(NO3)2 (aq) → CaF2 (s) + 2 KNO3 (aq)
2 AgClO3 (aq) + Cu (s) --> Cu(ClO3)2 (aq) + 2 Ag (s)
Mixing Fe(NO3)2 (aq) and Na2CO3 (aq) causes an orange precipitate to form. What is the chemical formula of the precipitate?
Fe(NO3)2 (s)
FeCO3 (s)
NaNO3 (s)
Na2(NO3)2 (s)
Mixing Al(NO3)3 (aq) and NH4OH (aq) results in the formation of a white precipitate. What is the molecular equation for this reaction?
Al3+ (aq) + 3 OH- (aq) → Al(OH)3 (s)
Al(NO3)3 (aq) + 3 NH4OH (aq) → Al(OH)3 (s) + 3 NH4NO3 (aq)
NH4OH (aq) → NH4+ (aq) + OH- (aq)
Al(NO3)3 (aq) → Al3+ (aq) + 3 NO3-(aq)
Predict the products fo the following equation.
CuCl2 + H2S ---->
CuS(s) + HCl(aq)
Cu2S(s) + HCl(aq)
No reaction
CuS(s) + HCl(s)
Predict the products of the following reaction.
H2SO4 + BaCl2 ---->
BaSO4(s) + HCl(aq)
BaSO4(aq) + HCl(s)
No Reaction
ClSO4(aq) + BaH(s)
When solutions of two ionic compounds are combined and a solid forms, the process is called
hydration
solvation
dissociation
precipitation
Which of the following pairs of solutions produces a precipitate when combined?
Cu(NO3)2 and NaCl
Fe(NO3)3 and MgCl2
Cu(NO3)2 and K2CO3
CaCl2 and NaNO3
CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)
What is the correct net ionic equation for the reaction between HBr(aq) and LiOH(aq) that produces LiBr(aq) and H2O(l)?
2 H+(aq) + O2-(aq) → H2O(l)
2 H2 (aq) + O2(aq) → 2 H2O(l)
2 H2 (g) + O2(g) → 2 H2O(l)
H+(aq) + OH-(aq) → H2O(l)
Which is the correct net ionic equation for this reaction?
3KOH(aq) + FeCl3(aq) → 3KCl(aq) + Fe(OH)3(s)
3K+ (aq) + 3Cl- (aq) → 3KCl (s)
Fe3+ (aq) + 3OH- (aq) → Fe(OH)3 (s)
Fe3+ (aq) + Cl- (aq) → Fe(OH)3 (s)
3K+ (aq) + 3OH- (aq) + Fe3+ (aq) + 3Cl- (aq) → Fe(OH)3 (s)
What is a Net Ionic Equation?
a balanced chemical equation in which all the reactants and products are given by their chemical formulae.
a chemical equation that shows all soluble species broken into their respective ions.
a chemical equation showing only the species which are actively involved in the reaction.
What is the net ionic equation for the reaction between K3PO4 (aq) and CuSO4 (aq)
2 K+(aq) + SO42-(aq) → K2SO4 (s)
K+(aq) + SO42-(aq) → KSO4 (s)
2 Cu2+(aq) + 3 PO43-(aq) → Cu3(PO4)2 (s)
Cu2+(aq) + PO43-(aq) → CuPO4 (s)
