How to evaluate the ph of the solution

Assignment Help Chemistry
Reference no: EM13495084

A solution of dimethylamine/dimethylammonium buffer contains 0.246 M (CH3)2NH and 2.09 M (CH3)2NH2Cl. Calculate the pH of the solution. Round your answer to 3 significant digits. Kb= 5.1x10^-4 (CH3)2NH(aq) + H2O(l) = (CH3)2NH2+(aq) + OH-(aq)

Reference no: EM13495084

Questions Cloud

Explain what would be the expected conponent concentration : what would be the expected conponent concentration in octanol phase at equiliibrium if the same partitioning procedure would be performed at 60*C? (octanol/ water partitioning coefficient expressed as K= Coct/Cwater).
Determine how far up the incline will it go : A hollow cylinder (hoop) is rolling on a horizontal surface at speed 4.3 when it reaches a 11incline. How far up the incline will it go
Compute the inventory turnover ratio for fiscal year 2012 : Compute the inventory turnover ratio for the fiscal year 2012. Also compute it for the fiscal year 2011. What conclusions can you make?
Find the frequency of the wheel after the clay sticks to it : A potter's wheel is rotating around a vertical axis through its center at a frequency of 1.8. What is the frequency of the wheel after the clay sticks to it
How to evaluate the ph of the solution : A solution of dimethylamine/dimethylammonium buffer contains 0.246 M (CH3)2NH and 2.09 M (CH3)2NH2Cl. Calculate the pH of the solution. Round your answer to 3 significant digits. Kb= 5.1x10^-4 (CH3)2NH(aq) + H2O(l) = (CH3)2NH2+(aq) + OH-(aq)
Formal and informal power structures in the organization : Identify the current formal and informal power structures in the organization. How might the power and political structure of the organization affect employee behavior?
Find force is required at the edge : A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 15 in 10.6. What force is required at the edge
Explain what is the pressure of the c2h2 gas : Acetylene, C2H2, gas is collected over water at 23°C. The total pressure is 745 torr. What is the pressure of the C2H2 gas. (The vapor pressure of water at 23°C is 21.07 torr.)
What is the impact on power and influence by globalization : Stakeholder Analysis for Airbus and how you will maintain relationships with each stakeholder. - what is the impact on power and influence by globalization?

Reviews

Write a Review

Chemistry Questions & Answers

  What volume of dry h2 gas would theoretically be produced

what volume of dry H2 gas would theoretically be produced if it is measured at 20 degrees Celcius and 785 mmHg?

  Explain what is osmiums molar capacity

What is osmium's molar capacity if the two substances reach thermal equilibrium at 100 degrees Celsius? Osmium, the densest known metal, has a density

  Calculate the freezing point and boiling point of a soultion

Calculate the freezing point and boiling point of a soultion of 383g of glucose dissolved in 400. g of water.

  Explain what error in the percentage magnesium determined

If water had not been added to your initial product, what error in the percentage magnesium determined would have resulted(that is if the part of the product has been magnesium nitride)? Explain.

  Compute the pka value of the acid

Calculate the pKa value of the acid and determine the number of moles of acid initially present. When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added

  What is the de broglie wavelength

What is the de Broglie wavelength of a flea midway through its jump? Assume the mass of the flea is4.50×10-4 g and t is moving at 1.00 m/s.

  State what is the equilibrium concentration of h2

Initially a container contains 0.46 M HI and no product. What is the equilibrium concentration of H2

  Helium-oxygen mixtures are used by divers to avoid the

helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory

  What is the molar mass of the protein

To determine the molar mass of an unknown protein, 1.00 mg was dissolved in 1.00 mL of water. At 25.0°C the osmotic pressure of this solution was found to be 1.47 × 10-3 atm.

  Calculate the heat required

Calculate the heat required to raise the temperature of 125 g of water are heated from 20.0oC to 100oC based on a specific heat of water of 4.184 J/g oC.

  What is the molarity of a nitric acid solution

What is the molarity of a nitric acid solution if 43.53 mL 0.1000 M KOH solution is needed to neutralize 20.00 mL of the acid solution

  Explain what will be the total volume of solution

What will be the total volume of solution, in ml, when the concentration of 175.0 ml of 0.100 M K3PO4 solution is decreased to 0.012M

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd