Which one of the following is a water soluble weak

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Which one of the following is a water-soluble,weak electrolyte?1.H2SO41.4.00 mL2.3.26 mLcorrect
2.KBr3.NH4ClO4.H2CO3correct5.Ca(OH)2Explanation:All of the choices are electrolytes, but onlycarbonic acid (H2CO3, a weak acid) does notionize completely, so it is a weak electrolyte.01710.0pointsHow much solute is needed to make 2.52 L ofa 2.81 M solution of Ba(NO3)2?Correct answer: 1850.32 g.Explanation:[Ba(NO3)2] = 2.81 MVsoln= 2.52 LmBa(NO3)2= ?M=mol soluteL solnmol solute = 2.81 M×2.52 L= 7.0812 moln= g solute×1 mol solutemolar mass solutemsolute= # of moles×molar mass solute1 mol solute= 7.0812 mol Ba(NO3)2×261.3 g1 mol= 1850.32 g Ba(NO3)201810.0pointsWe 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?
le (dql69) – Homework 8 – sutcliffe – (51310)6ucts barium sulfate (BaSO4) and magnesiumhydroxide (Mg(OH)2).Both of these prod-ucts are insoluble and will form precipitates.
Explanation:M1V1=M2V2V2=M2V2M1=(0.1 M) (600 mL)18.4 M= 3.26087 mL01910.0pointsWhat are the products of the reaction be-tween bromic acid and potassium hydroxide?1.KBrO2+ H3O+2.K2BrO2+ H2O3.KBrO2+ H2O4.KBrO3+ H3O+5.KBrO3+ H2Ocorrect6.KBrO3+ OH7.K2BrO3+ H2OExplanation:02010.0pointsWhat, if anything, is precipitated when aque-ous solutions of Ba(OH)2and MgSO4aremixed?
This is a metathesis reaction with the prod-ucts barium sulfate (BaSO4) and magnesiumhydroxide (Mg(OH)2).Both of these prod-ucts are insoluble and will form precipitates.
10.0pointsWrite the net ionic equation for this reactionoccurring in water:Sodium phosphate andcalcium chloride are mixed to form sodiumchloride and calcium phosphate.1.2 PO34+ 3 CaCl26 Cl+ Ca3(PO4)22.No reaction occurs.3.2 Na3PO4+ 3 Ca2+6 Na++ Ca3(PO4)24.PO24+ Ca2+CaPO45.2 PO34+ 3 Ca2+Ca3(PO4)2correctExplanation:

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