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Complete and balance the following reactions(A represents an unknown anion) HA+NaOH--------> H2A+NaOH--------> H3A+NaOH--------> all phases are...

Complete and balance the following reactions(A represents an unknown anion)

HA+NaOH-------->

H2A+NaOH-------->

H3A+NaOH-------->

all phases are (aq)

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Homework Answers

Answer #1

1) HA (aq) +NaOH (aq)  -----------------------> NaA (aq) + H2O (l)

2)

H2A (aq) + NaOH (aq)--------------> NaHA (aq) + H2O (l)

NaHA (aq) + NaOH(aq) ------------> Na2A (aq) + H2O (l)

overall reaction

H2A (aq)+NaOH-(aq)--------------------------> Na2A (aq) + 2H2O(l)

3 )

H3A (aq) + NaOH (aq) ----------------> NaH2A (aq) + H2O (l)

NaH2A (aq) + NaOH (aq) -------------> Na2HA (aq) + H2O (l)

Na2HA (aq) + NaOH (aq) -------------> Na3A (aq) + H2O (l)

overall reaction

H3A (aq) +NaOH (aq) -------------------------> Na3A (aq) + 3H2O(l)

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