Question

1. The pH of a 0.25 M NH3 solution was measured to be 11.33. Calculate the...

1. The pH of a 0.25 M NH3 solution was measured to be 11.33. Calculate the Keq for NH3.
2. An amount of 0.500 g of NH4Cl was added to 50.0 mL of the solution in Problem 1 above. Use the Keq calculated from Problem 1 to calculate the pH of this solution.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A buffer solution is prepared by mixing 50.0 mL of 0.300 M NH3(aq) with 50.0 mL...
A buffer solution is prepared by mixing 50.0 mL of 0.300 M NH3(aq) with 50.0 mL of 0.300 M NH4Cl(aq). The pKb of NH3  is 4.74. 7.50 mL of 0.125 M NaOH is added to the 100.0 mL of the original buffer solution prepared in Question 1 (no HCl added). Calculate the new NH3 concentration for the buffer solution. Calculate the new NH4Cl concentration for the buffer solution. Calculate the new pH of the solution.
20 mL of 0.25 M of NH3 is titrated with 0.40 M HCl. Calculate the pH...
20 mL of 0.25 M of NH3 is titrated with 0.40 M HCl. Calculate the pH of the solution after 20 mL HCl is added. Kb NH3 = 1.8 × 10−5
1) Calculate the change in pH when 3.00 mL of 0.100 M HCl(aq) is added to...
1) Calculate the change in pH when 3.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). 2) Calculate the change in pH when 3.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.
Calculate the pH of a 1 L solution made by mixing 0.25mol of NH3 and 0.35mol...
Calculate the pH of a 1 L solution made by mixing 0.25mol of NH3 and 0.35mol NH4Cl. (Kb = 1.8x10^- 5). What is the new pH if 0.15 mol HCl is added to the solution?
A 100 mL of buffer solution contains 0.100 M in NH3 (aq) and 0.100 M in...
A 100 mL of buffer solution contains 0.100 M in NH3 (aq) and 0.100 M in NH4Cl. (Q7 ‒ Q9) 7. Calculate pH of the buffer solution. 8. Calculate the change of pH when 4.00 mL of 0.100 M HCl (aq) is added to the buffer solution. 9. Calculate the pH of the solution when 4.00 mL of 0.100 M NaOH is added to the original buffer solution. Please show steps and explain so I can understand how. thank you
What volume (in mL) of a 0.50 M NH4Cl solution must be added to 50.0 mL...
What volume (in mL) of a 0.50 M NH4Cl solution must be added to 50.0 mL of a 0.50 M NH3 solution in order to prepare a buffer with a pH of 9.5? (Kb of NH3 is 1.8 × 10-5)
Consider a buffer solution that contains 0.25 M HCO2H and 0.20 M HCO2Na. pKa(HCO2H)=3.75. 1. Calculate...
Consider a buffer solution that contains 0.25 M HCO2H and 0.20 M HCO2Na. pKa(HCO2H)=3.75. 1. Calculate its pH 2. Calculate the change in pH if 0.135 g of solid NaOH is added to 180 mL of this solution. 3. If the acceptable buffer range of the solution is ±0.10 pH units, calculate how many moles of H3O+ can be neutralized by 250 mL of the initial buffer.
Calculate the pH at 25°C of 264.0 mL of a buffer solution that is 0.410 M...
Calculate the pH at 25°C of 264.0 mL of a buffer solution that is 0.410 M NH4Cl and 0.410 M NH3 before and after the addition of 2.60 mL of 6.0 M HNO3. (The pKa for NH4+ = 9.75) Part 1: pH before= Part 2: pH after=
Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0...
Calculate the change in pH when 5.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq) Change in pH = _____ Calculate the change in pH when 5.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution. Change in pH= _______
1) Calculate the change in pH when 3.00ml of .1M HCl(aq) is added to 100 ml...
1) Calculate the change in pH when 3.00ml of .1M HCl(aq) is added to 100 ml of a buffer solution that is .1 M in NH3(aq) and .1M in NH4Cl(aq) 2)Calculate the change in pH when 3.0ml of .1 M NaOH (aq) is added to the original buffer solution
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT