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Net Ionic Equations
What is the net ionic equation for the following reaction?
HNO2 (aq) + KOH(aq) → H2O(l) + KNO2 (aq)
Balance the net ionic equations
Write balanced net ionic equations for the following reactions in basic solution.
S2O32−(aq)+I2(aq)→S4O62−(aq)+I−(aq)
Mn2+(aq)+H2O2(aq)→MnO2(s)+H2O(l)
Zn(s)+NO3−(aq)→NH3(aq)+Zn(OH)42−(aq)
Questions
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Molar Concentrations
Titration with solutions of potassium bromate, KBrO3, can be used to determine the concentration of As(III).
What is the molar concentration of As(III) in a solution if 25.35mL of 0.110M KBrO3 is needed to titrate 53.55mL of theAs(III) solution? The balanced equation is
3H3AsO3(aq)+BrO−3(aq)→Br−(aq)+3H3AsO4(aq)