Homework 8-problems (1) - ruisi(hhr239 Homework 8...

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ruisi (hhr239) – Homework 8 – sutcliffe – (50985)1Thisprint-outshouldhave22questions.Multiple-choice questions may continue onthe next column or page – find all choicesbefore answering.00110.0 pointsName H3PO2.1.hydrophosphoric acid2.perphosphorous acid3.phosphorous acid4.phosphoric acid5.perphosphoric acid6.hypophosphoric acid7.hypophosphorous acid00210.0 pointsThe term strong in strong electrolyte meanstween bromic acid and potassium hydroxide?1.that the compound ionizes or dissociatescompletely or almost completely in solution.2.All of these3.that the compound is very soluble.4.that the compound is very concentrated.003K2BrO3+ H2O2.KBrO2+ H3O+3.KBrO3+ H2O4.KBrO3+ H3O+5.KBrO2+ H2O6.K2BrO2+ H2O
10.0 pointsWhich one of the following is a water-soluble,weak electrolyte?
3.Ca(OH)2
10.0 pointsHow much solute is needed to make 1.02 L ofa 1.69 M solution of Ba(NO3)2?Answer in units of g.00510.0 pointsWe wish to dilute some 18.4 M H2SO4solutionto make 600 mL of a 0.1 M H2SO4solution.How much of the 18.4 M solution should westart with?1.3.26 mL2.2.70 mL3.4.00 mL4.4.60 mL5.1.80 mL00610.0 pointsWhat are the products of the reaction be-tween bromic acid and potassium hydroxide?1.K2BrO3+ H2O2.KBrO2+ H3O+3.KBrO3+ H2O4.KBrO3+ H3O+5.KBrO2+ H2O6.K2BrO2+ H2O
10.0 pointsWhat, if anything, is precipitated when aque-ous solutions of Ba(OH)2and MgSO4aremixed?

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