What is the pka of ha

Assignment Help Chemistry
Reference no: EM13709453

Problem- A buffer solution is made using a weak acid, HA. If the pH of the buffer is 12 and the ratio of A- to HA is 1000, what is the pKa of HA?

I want you to explain the chemistry in this problem

Reference no: EM13709453

Questions Cloud

Calculate the amount of solute needed to prepare a solution : Calculate the amount of solute needed to prepare 50.0 mL of a solution of 0.15 M malonic acid (CH2(COOH)2) and 0.020 M MnSO4*H2O.
Calculate the volume of liquid h2o formed : Problem- Consider the combustion reaction between 28.0mL of liquid methanol (density=0.850g/mL) and 14.0L of oxygen gas measured at STP. The products of the reaction are CO2(g) and H2O(g). Calculate the volume of liquid H2O formed if the reaction go..
What is the structure of a hydrocarbon molecular ion : Problem- What is the structure of a hydrocarbon that shows a molecular ion at m/z = 182 in the mass spectrum and has the following 1H NMR spectrum
What is the kinetic energy of the emitted electrons : Problem- What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.4*1015 Hz
What is the pka of ha : A buffer solution is made using a weak acid, HA. If the pH of the buffer is 12 and the ratio of A- to HA is 1000, what is the pKa of HA
Write the molecular formula and net ionic equation : Problem- Write the molecular formula and net ionic equation for each problem. If there is no reaction then say so. Show work for REDOX reactions.
Plot your new forecast on a graph : Develop a forecast for year 2 through 12 using exponential smoothing with a = .4 and a forecast for year 1 of 6. Plot your new forecast on a graph with the actual data and the native forecast.
3-pentanone octane compounds is most soluble in water : Problem- Which of the following compounds is most soluble in water? 3-pentanone octane 1-butanol methyl propyl ether propane
Calculate delta g for the reaction at -20.3 c : Problem- For a particular reaction at 234.2 C, delta G = 143.16 kj and delta s = 965.06 j/k. Calculate delta G for this reaction at -20.3 C

Reviews

Write a Review

Chemistry Questions & Answers

  Sodium fluoride naf melts at 993c whereas sodium chloride

sodium fluoride naf melts at 993c whereas sodium chloride fluoride melts nacl at 801c. explain why this is the case in

  Find out the amount of iron chloride hexahrdrate

The solution of iron (III) chloride used in this experiment is 0.02M. Determine the amount of iron (III) chloride hexahrdrate

  Define potassium permaganate is standardized with iron metal

A solution of potassium permaganate is standardized with iron metal, a primary standard. The iron is dissolved in acid, reduced to Fe(II), and titrated with permanganate.

  Explain aqueous ammonia in ammonium nitrate

What is the pH of a solution that results when 0.010 mol of HNO3 is added to 500mL of a solution that is 0.10M in aqueous ammonia and 0.20M in ammonium nitrate. Assume no volume change and the Kb for NH3 =1.8*10^-5

  State mixing an unknown liquid with known liquid

can a liquid be identified by the same principl(e.g. mixing an unknown liquid with known liquid) and determining if the boiling point of the mixture is depessed if the two liquids are different?

  How much heat is required

How much heat is required to raise the temperature of 5.5 x 10^2 g of aluminum by 10°C?

  Explain what is the mass/volume percent of this solution

A 50.0 mL glucose solution contains 3.00 g of glucose. What is the mass/volume percent of this solution

  Determine the ph of the solution

Consider the titration of 50.0 mL of 0.217 M hydrazoic acid (HN3) (Ka = 2.6 x 10-5) with 0.183 M NaOH. determine the pH of the solution before any NaOH is added ?

  Determine what mass of liquid water remains in the flask

A mass of 1.50 g H2O is sealed in an evacuated 3.0-L flask and heated to 55 °C. What mass of liquid water remains in the flask when equilibrium is established? The equilibrium vapor pressure of water at 55 °C is 118 mm Hg.

  How many protons are pumped by each per electron pair

Problem- Name the proton-pumping enzyme complexes of the respiratory chain. How many protons are pumped by each per electron pair. Where are the protons being pumped and for what purpose are they being pumped

  Calculate the initial velocity of a reaction in terms of v

calculate the initial velocity of a reaction in terms of v max if the substrate concentration is 12 the km. show the

  Explain what would be the partial pressure of the oxygen

If oxygen gases were collected over water at 20o C as well as the total pressure of the wet gas were 670 mm Hg, what would be the partial pressure of the oxygen

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