State ph at the halfway point and at the equivalence point

Reference no: EM13178652

Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point

(b) 100.0 mL of 0.39 M C2H5NH2 (Kb = 5.6 multiplied by 10-4) titrated by 0.78 M HNO3 halfway pointe quivalence point

Reference no: EM13178652

Questions Cloud

What is the difference between coupling and cohesion : What is the difference between coupling and cohesion? Which should be minimized and which should be maximized and what complications are imposed if one tries to implement a dynamic list using a traditional homogeneous array?

What type of mechanical behavior : Aside from near oceanic trenches, most earthquakes originate at depths of 100 kilometers or less. Considering the physical properties of Earth's interior, what type of mechanical behavior (in rocks) must be necessary for earthquakes to occur? Explain..

Calculate the expected number of trials needed : What is the probability that the rat will turn left on the second trial?

Comparisons of the house and senate : Which of the following comparisons of the House and Senate is true?

State ph at the halfway point and at the equivalence point : Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point

What is the ethical problem in situation : You need your job and you want to help your boss. But you're just not sure in this particular situation. What is the ethical problem in this situation? What steps should you take? When should you take them? Who should you talk to about this? Why?

Improve the companys bottom line : Top management at this optical retailer understood that employee training was important, but they wanted to know what evidence was available to show that there was in fact a payoff to the organization from the money being spent on training.

How would the seismographic readings differ at the distance : Two earthquakes differ by .1 when measured on the Richter scale. How would the seismographic readings differ at the distance of 100 km from the epicenter?

Analysis of the role of government and regulatory actions : A topic that reflects one of the following: government regulation of environmental issues in the wake of disasters; government regulation of financial markets; government nationalization or partial-nationalization of a business often left to priva..

User Account

All Pages