What are the chemical reactions that have Ca(OH)2 (calcium hydroxide) as reactant? Aqueous solutions of rubidium hydroxide and cobalt(II) chloride are mixed. Calcium sulfate can also be recovered and re-used from scrap drywall at construction sites. So, the correct answer to this problem is: Problem #47: Based on the solubility rules, which of the following will occur when solutions of CuSO4(aq) and MgCl2(aq) are mixed? Sodium Hydroxide Calcium hydroxide can be precipitated by addition of sodium hydroxide if \(\ce{Ca^{2+}}\) is present in moderate concentration (>~0.02 M). The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. All four substances are soluble and all ionize 100% in solution. Writing a full molecular equation looks like this: Ba2+(aq) + 2CH3COO(aq) + Ca2+(aq) + 2Cl(aq) ---> Ca2+(aq) + 2CH3COO(aq) + Ba2+(aq) + 2Cl(aq) While full chemical equations show the identities of the reactants and the products and give the stoichiometries of the reactions, they are less effective at describing what is actually occurring in solution. The mineral fluorite (calcium fluoride) occurs extensively in Illinois. Thus no net reaction will occur. This unbalanced equation has the general form of an exchange reaction: \[ \overbrace{\ce{AC}}^{\text{soluble}} + \overbrace{\ce{BD}}^{\text{soluble}} \rightarrow \underbrace{\ce{AD}}_{\text{insoluble}} + \overbrace{\ce{BC}}^{\text{soluble}} \label{4.2.2} \]. 1) I'll work backwards through the equation: In addition, the water of hydration will be released and become part of the aqueous solvent. The decomposition of solid potassium chlorate leads to the formation of solid potassium chloride and diatomic oxygen gas. To determine whether a precipitation reaction will occur, we identify each species in the solution and then refer to Table \(\PageIndex{1}\) to see which, if any, combination(s) of cation and anion are likely to produce an insoluble salt. magnesium ions meet the hydroxide ions they form a solid magnesium In contrast, because \(\ce{Ag2Cr2O7}\) is not very soluble, it separates from the solution as a solid. net ionic: 2H3PO4() + 3Ba2+(aq) + 6OH-(aq) ---> Ba3(PO4)2(s) + 6H2O(). The net ionic equation is as follows: \(Pb^{2+} (aq) + 2I^-(aq) \rightarrow PbI_2(s) \), \(Fe^{2+}(aq) + 2OH^-(aq) \rightarrow Fe(OH)_2(s)\), \(2PO_4^{3-}(aq) + 3Hg^{2+}(aq) \rightarrow Hg_3(PO_4)_2(s)\), \(Ca^{2+}(aq) + CO_3^{2-}(aq) \rightarrow CaCO_3(s)\), Predicting the Solubility of Ionic Compounds: Predicting the Solubility of Ionic Compounds, YouTube(opens in new window) [youtu.be] (opens in new window).
