When the following two solutions are combined, a precipitate forms. CaCl2(aq) Rb3PO4(aq)Which of these is TRUE concerning the total ionic equation for the process?
a. RbCl2 is the precipitate that forms.
b. RbCl is the precipitate that forms.
c. Rb+ is a spectator ion.
d. Ca2+ is a spectator ion.
e. None of these is correct.