
Test 3 Review Questions.
Quiz by Jeremy Mitchell-Koch
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30 questions
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- Q1Which substance is present in the smallest proportion in a solution?liquidsolutesolventsolid30s
- Q2Determine the molarity of a solution made by dissolving 11.7 g of NaNO3 in water where the final volume is 250.0 mL.0.0311 M0.551 M0.214 M0.138 M300s
- Q3Determine the volume of a 0.0351 M Li3PO4 solution that contains 0.0164 moles of Li3PO4576 mL467 mL174 mL214 mL300s
- Q4Determine the molality of a solution formed by dissolving 0.187 moles of NaCl in 456 grams of water. The density of the solution is 1.44 g/mL.0.351 m0.244 m0.410 m0.285 m300s
- Q5What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?0.0371 g250 g0.888 g21.3 g300s
- Q6What mass of water is required to dissolve 27.8 g of ammonium nitrate NH4NO3 in order to prepare a 0.452 m solution?1.30 kg0.100 kg0.177 kg0.768 kg300s
- Q7The distinguishing characteristic of all electrolyte solutions is that theyconduct electricitycontain moleculesconduct heatreact with other solutions30s
- Q8Which process defines how an ionic compounds break apart into its constituent ions upon dissolution?dissociationionizationdecompositionelectrolysis30s
- Q9What volume of concentrated (14.7 M) phosphoric acid is needed to prepare 25.0 L of 3.0 M H3PO4?0.57 L5.1 L3.6 L1.8 L300s
- Q10What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?0.91 M1.1 M0.28 M3.1 M300s
- Q11From the following list of aqueous solutions and water, select the one with the highest boiling point.pure water0.75 M NaCl0.75 M CuCl21.0 M KNO360s
- Q12Determine the freezing point of a solution formed by dissolving 0.187 moles of glucose in 456 grams of water. (For water, Kf = 1.86°C/m)-3.48 C-0.410 C-0.351 C-0.528 C300s
- Q13What is defined as the selective passage of solvent molecules through a porous membrane from a more dilute solution to a more concentrated solution?SemipermeabilityPermeabilityOsmosisOsmotic Pressure30s
- Q14Based on the solubility rules, which of these processes will occur when solutions of ZnSO4(aq) and MgCl2(aq) are mixed?ZnCl2 will precipitate; Mg2+ and SO42− are spectator ions.No precipitate will form.ZnSO4 will precipitate; Mg2+ and Cl− are spectator ions.MgSO4 will precipitate; Zn2+ and Cl− are spectator ions.120s
- Q15If aqueous solutions of Pb(NO3)2 and NaCl are mixed, which ions, if any, are spectator ions? Pb(NO3)2(aq) + 2NaCl(aq) → PbCl2(s) + 2NaNO3(aq)Pb2+(aq), Cl−(aq)Na+(aq), NO3− (aq)Na+(aq), Cl−(aq)Pb2+(aq), NO3−(aq)120s