a) What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL...

a) What volume (in mL) of 8.84 M HBr would be required to make 300.0 mL of a solution with a pH of 2.61?

b) An unknown weak base with a concentration of 0.0910 M has a pH of 11.70. What is the Kb of this base?

c) What is the pH of a 0.500 M solution of HF (Ka = 6.8 × 10⁻⁴)

d) A diprotic acid, H₂A, has Ka1 = 3.4 × 10⁻⁴ and Ka2 = 6.7 × 10⁻⁹. What is the pH of a 0.16 M solution of H₂A?

Expert Solution

queen_honey_blossom answered 2 years ago

A) A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the...

A) A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 20.0 mL of KOH. B) A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0 mL of HNO3. C) A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 15.0 mL of NaOH.

partb a)A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the...

partb a)A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 13.0 mL of KOH. Express your answer numerically. Part b) A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 15.0 mL of HNO3. Express your answer numerically.Part c) A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the...

Part A A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate...

Part A A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 18.0 mL of KOH. Part B A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 13.0 mL of HNO3. Part A A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 25.0 mL of NaOH.

A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH...

A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 13.0 mL of KOH. Express your answer numerically. A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 15.0 mL of HNO3. Express your answer numerically. A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH after the addition of 33.0 mL...

1.calculate the volume of 50% NaOH required to make 300 mL of a 0.1 M NaOH...

1.calculate the volume of 50% NaOH required to make 300 mL of a 0.1 M NaOH solutions 2.Calculate the standard potassium hydrogen phthalate required to react with 25 mL of a 0.1 M NaOH solution 2. Calculate the mass of the standard potassium hydrogen phthalate required to react with 25 mL of a 0.1 M NaOH solution.

What volume of 6.00 M HNO3 is needed to make 500.0 mL of a 0.250 M...

What volume of 6.00 M HNO3 is needed to make 500.0 mL of a 0.250 M solution?

Part B A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate...

Part B A 50.0-mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 13.0 mL of KOH. Express your answer numerically Part C A 75.0-mL volume of 0.200 M NH3 (Kb=1.8×10−5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 21.0 mL of HNO3. Express your answer numerically. Part D A 52.0-mL volume of 0.35 M CH3COOH (Ka=1.8×10−5) is titrated with 0.40 M NaOH. Calculate the pH...

a. What volume of 0.085 M HCl is required to titrate 25.00 mL of a 0.100...

a. What volume of 0.085 M HCl is required to titrate 25.00 mL of a 0.100 M NH3 solution to the equivalence point? b. What is the pH at the equivalence point?

What volume (in mL) of a 0.125 M HNO3 solution is required to completely react with...

What volume (in mL) of a 0.125 M HNO3 solution is required to completely react with 39.8 mL of a 0.102 M Na2CO3 solution according to the following balanced chemical equation? Na2CO3(aq)+2HNO3(aq)→2NaNO3(aq)+CO2(g)+H2O(l) Express your answer with the appropriate units.

. What volume of 0.1 M NaOH is required to completely react with 50.00 mL of...

. What volume of 0.1 M NaOH is required to completely react with 50.00 mL of 0.1 M CH3COOH? (In other words, what volume is required to reach the equivalence point?). Show work/reasoning.

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