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

  Explain solutions of sodium acetate and acetic acid

A buffer is to be prepared with a pH of 4.5 from 0.1M solutions of sodium acetate and acetic acid. How many mL of 0.1M NaAc would have to be added to 100mL of 0.1M HAc to make the proper buffer solution?

  How many grams of hydrogen have been consumed

If 158 of wet hydrogen is collected over water at 24 and a barometric pressure of 736 , how many grams of hydrogen have been consumed.

  Evaluate the new cell voltage of the fresnium

Use the Nernst equation to calculate the new cell voltage of the fresnium /copper cell if the fresnium has a concentration of 0.37 M, and the copper nitrate is at a concentration of 0.77 M.

  State reactions in which a substance decomposes by losing co

Reactions in which a substance decomposes by losing CO. calculate the minimum temperature at which the process would become spontaneous assumming delta H

  Draw the flow of e- and the products of the methoxide ion

Draw the flow of e- and the products of the Methoxide Ion and water including formal charges on all compounds.

  Explain noroborenol the exo and endo forms are created

In the reaction of noroborene to noroborenol, the exo, and endo forms are created. Why exactly is the exo form favored over the endo form

  Explain the total precipitate was dissolved in hcl + hno3

The total precipitate was dissolved in HCl + HNO3. When the solution thus formed was treated with excess NaOH followed by H2O2, a colorless solution and a reddish brown precipitate were formed. The precipitate was found to be soluble in HCl, H2SO4..

  When the initial concentration of reactant is 071 m a

when the initial concentration of reactant is 0.71 m a second-order reaction has a half-life of 18 s then determines

  Explain the operational parameters that should be considered

Consider the design of a sine-wave generator. List the operational parameters that should be considered in this design project

  Determine the heat released

determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;

  Explain nitrous acid with lithium hydroxide

Perchloric acid with an aqueos solution of ammonia and nitrous acid with lithium hydroxide

  Explain what is its energy in j frequency in s

If a photon has a wavelength of 412.2 nm, what is its energy in J, frequency in s^-1, wavenumber in cm-1, and linear momentum in kg m/s

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