Define ph halfway to the equivalence point for the titration

Assignment Help Chemistry
Reference no: EM13245224

What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)

A. 10.6

B. 3.4

C. 9.3

D. 4.7

E. 7.0

Reference no: EM13245224

Questions Cloud

Derive the equations for total revenue for the two firms : The price in a market is dominated by two firm is affected by the quantities supplied by both firms, Q1 and Q2: P = 120 - (Q1 + Q2). The marginal cost for the two firm is identical and constant and equal to 20.
What is the secondary potential : A transformer has 590 primary and 170 secondary turns. An alternating potential of 90 V is applied to the primary
Find the best point estimate of the mean : Find the best point estimate of the mean and find the 95% confidence interval of the mean score for all golfers.
Who bears the cost of import barriers protecting a job : Who bears the cost of import barriers protecting a job where the industry employing labor has lost its comparative advantage Consider the use of tariffs on steel imports into the U.S. during the recent Bush Administration.
Define ph halfway to the equivalence point for the titration : What is the pH halfway to the equivalence point for the titration of 0.20 M CH3NH2 with 0.20 M HCl? (Kb of CH3NH2 = 4.4 x 10-4)
Determine the total impedance : An LRC circuit is connected to a 12.0-kHz , 745-V (rms) source, L = 28.0mH , R = 8.80k? , and C = 6350pF, Determine the total impedance
Explain does either firm have a dominant strategy : Firm K can earn $25 million in profits from strategy S if firm L responds with strategy P, and $7.5 million in profit from S if L responds with strategy Q. Firm K can follow strategy T, which returns $16 million if firm L responds with strategy P ..
Estimate of the sample proportion : How large a sample must one take to be 90% confident that the estimate is within 0.05 of the true proportion and find the 99% confidence interval of the population proportion of persons living in Phoenix who are obese.
Western europe during the 9th and 10th century : How was China like Western Europe during the 9th and 10th century?

Reviews

Write a Review

Chemistry Questions & Answers

  Find the change in internal energy for system

The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130J of heat. As it expands, it does 76kJ of work. What is the change in internal energy for the system?

  Explain what is the mass of bas precipitated

what concentration of Ba(OH)2 solution is left after complete precipitation of BaS. What is the mass of BaS Precipitated

  State anti-addition of h-b species

Select the statements that correctly describe the regio- and stereochemical outcome of the hydroboration-oxidation reaction: (A) syn-addition of H-B species; (B) anti-addition of H-B species

  Explain no graphite or hydrogen gas had been formed

A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of..

  Explain how much stock solution is needed

You need to make a 500 mL buffer containing 35 mM NaCl and 50 mM Tris buffer. You already have a 5 M NaCl stock solution and a 1 M

  What is the molarity of the original hf solution

A 10.00 mL sample of a solution of hydrofluoric acid,HF, is diluted to 500.00 mL. A 20.00 mL sample of the diluted solution requires 13.51 mL of a 0.1500 M NaOH solution to be titrated to the equivalence point.

  Organic chemistry

Organic Chemistry-In the mass spectrum of butylbenzene, the base peak occurs at m/z

  State and write the net ionic equation for the reaction

Write the Net Ionic Equation and determine the standard potential for the reaction between permanganate and tin(II). From the potential

  Calculate the mass of calcium carbonate

The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.

  How many ml of naoh solution would be needed to mol of naoh

How many mL of a 2.0 M solution of NaOH would bve needed in order to have 0.500 mol of NaOH? (Molar mass of NaOH is 40.0 g/mol)

  State the freezing point depression constant for benzene

The freezing point of the solution decreases by 0.905 ° C compared to that of the pure solvent. What is the molar mass of the unknown solid. The freezing point depression constant for benzene is 5.46° C/m.

  Identify the two important classes of catalysts

Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.

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