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A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10-10) C6H5NH2(aq) + H3O+(aq) ↔ C6H5NH3+(aq) + H2O(l)
a) What was the concentration of aniline in the original solution?
b) What is the pH at the equivalence point of the titration?
c) What is the pH at the half equivalence point?
Find out the exact significant figures for each of the values - Indicate the number of significant figures
What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa.
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Determine the percent yield of barium sulfate If the actual yield = 0.456 grams?
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The heat of neutralization of HCl by NaOH is H°rxn = -56.2 kJ/mol. How much heat is released when 125 mL of 1.750 M HCl is mixed with 195 mL of 0.667 M NaOH.
What volume of .100 M NaCl is needed to react completely with 5.00mL of .200 M Pb(NO3)2.
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