Consider the possible sources of error listed and briefly describe the effect of each on equilibrium. Step 2: Indicator was added to well #A5. Step 8:...

Consider the possible sources of error listed and briefly describe the effect of each on equilibrium.

a. Step 2: Indicator was added to well #A5.

b. Step 8: You failed to add two drops of water to well #A1.

c. Step 18: You forgot to add 15 drops of water to the saturated NaF solution.

d. You added 3M NH3(aq) to the solution of Pb(NO3)2 instead of NaOH.