The following graph shows the titration curve for a solution of formic acid, which is a principal component in the venom of stinging ants. D H OH Formic acid M = 46.1 g/mol pK, = 3.75 pH B A Moles of OH Write the major species in the solution at equilibrium in the midpoint of the titration separated by a comma. Include physical states in your answer. Write the dominant equilibrium (include physical states in your answer):

Chemistry & Chemical Reactivity
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Chapter15: Principles Of Chemical Reactivity: Equilibria
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The following graph shows the titration curve for a solution of formic acid, which is a principal component in the venom of stinging ants.
н он
Formic acid
M = 46.1 g/mol
pK, = 3.75
pH
A
Moles of OH
Write the major species in the solution at equilibrium in the midpoint of the titration separated by a comma. Include physical states in your answer.
Write the dominant equilibrium (include physical states in your answer):
Transcribed Image Text:The following graph shows the titration curve for a solution of formic acid, which is a principal component in the venom of stinging ants. н он Formic acid M = 46.1 g/mol pK, = 3.75 pH A Moles of OH Write the major species in the solution at equilibrium in the midpoint of the titration separated by a comma. Include physical states in your answer. Write the dominant equilibrium (include physical states in your answer):
Write the equilibrium constant expression for points B, C, and D. Fill the missing powers in the following expressions. In case of first order type "1".
For point B:
K = [HCO0 ]H,0*[HCOOH]
a
For point C:
K = [HCOO-]H[OH¯]H[HCOOH]!
a
For point D:
K = [HCOO ]H[OH¯][HCOOH]!
a
Transcribed Image Text:Write the equilibrium constant expression for points B, C, and D. Fill the missing powers in the following expressions. In case of first order type "1". For point B: K = [HCO0 ]H,0*[HCOOH] a For point C: K = [HCOO-]H[OH¯]H[HCOOH]! a For point D: K = [HCOO ]H[OH¯][HCOOH]! a
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