H+ and I- are the spectator ions.
Calcium chloride consists of calcium ions (Ca2+) and chloride ions (Cl-).
Inorganic ions that are released through the dissociation of electrolytes include cations such as sodium (Na+), potassium (K+), calcium (Ca2+), and anions such as chloride (Cl-), sulfate (SO42-), and nitrate (NO3-). These ions are formed when electrolytes such as salts dissolve in water and dissociate into their respective ions.
Ca2+
Cations are positively charged ions, such as sodium (Na+), potassium (K+), and calcium (Ca2+). Anions are negatively charged ions, such as chloride (Cl-), sulfate (SO42-), and nitrate (NO3-). This is not an exhaustive list, but covers some common examples.
The chemical formula for combining Ca2+ and AsO3^4- ions would be Ca3(AsO3)2. This shows that three calcium ions (Ca2+) will combine with two arsenite ions (AsO3^-4).
CaSO4 is an ionic compound because it contains two ions namely CA2+ and SO42-.
The net ionic equation is SO42- + Ca2+ CaSO4.
2H+ + SO42- + Ca2+ + 2I- CaSO4 + 2H+ + 2I
The net ionic equation is SO42- + Ca2+ CaSO4.
In the reaction (2H^+ + SO_4^{2-} + Ca^{2+} + 2I^- \rightarrow CaSO_4 + 2H^+ + 2I^-), the spectator ions are those that do not change during the reaction. Here, the ( H^+ ) ions and ( I^- ) ions are present on both sides of the equation and do not participate in the formation of the precipitate ( CaSO_4 ). Therefore, the spectator ions are ( H^+ ) and ( I^- ).
The ion-ion bond in CaSO4 is stronger than in NaCl because of the higher charges on the cation and anion. Be careful in making this argument. The ion-dipole forces of Ca2+ -H2O and SO42- - H2O might actually be stronger than that of Na+ -H2O and Cl- -H2O due to the high charges on Ca2+ and SO42- . However the strengths of the ions-dipole interactions do not match (or exceed) the strength of the Ca2+ -SO42- ionic bond.
Complete Ionic Equation. 2K+(aq) + SO42-(aq) + Ca2+(aq) + 2I-(aq) --> 2K+(aq) + 2I-(aq) + CaSO4(s) Net Ionic Equation Minus the Spectator Ions K+ and I-. Ca2+(aq) + SO42-(aq) --> CaSO4(s)
2Na+(aq) + SO42-(aq) + Ca2+(aq) + 2Cl-(aq) CaSO4(s) + 2Na+(aq) + 2Cl-(aq)
2H+ + SO42- + Ca2+ + 21 > CaSO4 + 2H+ + 21-
2AgC2H3O2 (aq) + CaCl2 (aq) -> 2AgCl2 (s) + Ca(C2H3O2)2 (aq) 2Ag1+ (aq) + 2C2H3O21- (aq) + Ca2+(aq) + 2Cl1- (aq) -> 2AgCl2 (s) + Ca2+ (aq) + 2C2H3O21- (aq) In the reaction, both acetate (C2H3O2) and Calcium are aqueous in both the reactants and products, therefore they are the spectator ions.
Plaster of Paris is an ionic compound consisting of calcium ions (Ca2+) and sulfate ions (SO42-). This is because calcium is a metal and sulfur and oxygen are nonmetals, leading to the transfer of electrons from calcium to sulfur and oxygen.
Ca2+(aq) + SO42-(aq)- --> CaSO4(s) is the net ionic equation.