CHEM 24112 Study Guide - Quiz Guide: Barium Chloride, Spectator Ion, Solubility

Write the correct net ionic equation for the al 2017 Chapter& Practice In onder to do these questions, you need to following reactions know the whether a compound is a strong KOH H,so electrolyte or weak electrolyte, and the 2K+ caa solubility of a compound in water. ) Write the ionic equations and net ionic Ba(O)+ I 2) Indicate spectator ions and participant HCN (ay)+ KOH (aq)KCN (aq) + HO HF Ca(OH) equations for the following reactions. ions HPOs +Mg(OH)2 HNC) (aq) + Ba(OH)2 (aq) → Ba(NO3)2 (a) HCI +NH HCIO+ LiOH 2HF (aq) + Naco, (aq) → NaF + H2O (l) + CO2 (g) HCIOs+AI(OH)s Ca(OH); (aq) + CO2 (g) → CaCO3 (s) + H2O NaOH + AI(OH) 1 (ag) + AgNO3 (aq) → AgCl (s)↓ + KNO3 CH,COOH (acetic acid) + Mg(OH)2 KOH+ Zn(OH) o, (aq) + 3Caco, (s) → Ca(PO.); (s) + ()+3C0, (g)

Pre-Lab Worksheet (To be done prior to coming to lab!) (5 pts) Using your solubility rules complete and balance the following molecular balanoed net ionic equation below. Note that these are seven chemicals. If no reaction oocurs, write NR. Remember for a r below, an insoluble substance must be produced. reactions. Provide a all the possible combinations between the reaction to occur in the set EXAMPLES/EXCEPTIONS: Net ionic: 2 Ag.ao+ SO4闻..->ApSOoo (The expected result bere would be to see a solid. However you wil indicated NR for no reaction. Silver sulfate is an exception to the solubility rules. It is expected to be insoluble but it actually is somewhat soluble so it is a bit difficult to form the solid frorm these solutions. All others on the table follow the rules.) I notice that in the table we Net ionic: Ag'w +cr㈱-...> Agas) (Because a solid is formed, you will sce that the table has an entry of S to indicate that a solid is expected.) You get to do the rest: Net ionic: Net ionic Net ionic: Net ionic: Net ionic: Net ionic:

2 The following substances are either reactants or products, and are written in the molecular form. Write the corresponding net ionic equations for the aqueous solution. in the correct direction (products on the right). If no clear direction can be predicted. please indicate. Hint: "switch partners" of the given substances and examine all four substances. Which of these will be a gas, an insoluble solid, or a weak acid? Once you identify that, you have identified the product. Then work backwards to write the component ions that yield that substance. Example: Pbs+NaNOs. The ions involved are Pb*, S2, Nat, and NO,. We know frorm the solubility trend chart that all sulfides except Na, K' and NH4 are insoluble. so that leaves PbS as a product. If we switch the ion partners we get the starting substances Pb(NO3); and Na2S. The net ionic equation is Ph" + S2-→ PbS