Define what is the molar mass of the acid

Assignment Help Chemistry
Reference no: EM13181494

1. The first equivalence point for the titration a weak acid is reached when a volume of 26.80mL of NaOH has been added. If the pH of the solution is 4.45 after 13.40 mL of the NaOH has been added, what is the Ka for the acid

2. The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?

Reference no: EM13181494

Questions Cloud

State a student found that a brand b tablet would neutralize : A student found that a brand B tablet would neutralize 0.011 moles of HCl per tablet. Which is the better buy, brand A or brand B? Why?
Determine the present value of your winnings : If the current interest rate is 7%, determine the present value of your winnings
Show that so2 is the group of all 2x2 matrices rtheta : The Orthogonal group On is the set of all nxn matrices with entries in R such that AA^t = 1. The special orthogonal group SOn is the subset of all matrices in On with det(A) = 1.
Challenges do you think managers at a company may face : What kind of ethical challenges do you think managers at a company may face when they have to produce certain measurable results?
Define what is the molar mass of the acid : The first equivalence point for the titration of 0.2567 grams of a weak acid is reached when a volume of 26.80mL of 0.0510 M NaOH(aq) has been added. What is the molar mass of the acid?
Conservatives have indicated their opposition to civil right : Conservatives have indicated their opposition to civil rights by
Determine as a simple mark-up over expected wages : Suppose prices are determined as a simple mark-up over expected wages: p-w^e=a0-a1U Assume further that wages are a simple mark-up over expected prices: w-p^e=B0-B1U Use the equations above to show that when prices are different from price expectat..
Explain the molar solubility of calcium phosphate : The molar solubility of calcium phosphate. b) The molar concentration of calcium ions at equilibrium. c) The molar concentration of phosphate ions at equilibrium.
What would your balanced four years : Suppose you deposited the $1000 in 4 payments of $250 each at year 1, year 2, year 3, and year 4. How much would you have in your account at year 4, based on 8 percent annual compounding?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the theoretical yield of acetanilide

In the experiment aniline and acetic anhydride are reacted to form acetanilide, how do you calculate the theoretical yield of acetanilide?

  Which of the following would be expected to be colored

Which of the following would be expected to be colored?

  What is the ph of this solution

In the equation HSO4- + H2O SO4-2 + H3O+, if the Ka is 1.5 x 10 ^-2 and HSO4- = 1.0 M at equilibrium, what is the pH of this solution?

  What is the final concentration of a water solution made

What is the final concentration of a solution made from 7.1 mL of 0.8 M CuSO4 and 14.3 mL of water?

  How many moles of co2 can be made

suppose 2.8 moles of methane are allowed to react with 5 moles of oxygen? what is the limiting reagent?How many moles of CO2 can be made from this mixture? How many grams of CO2 would produce?

  How many grams of caffeine were in the sample

Caffeine, C8H10N4O2, is a stimulant found in tea and coffee. A sample of the substance was dissolved in 41.5 g of chloroform, CHCl3, to give a 0.0940 m solution.

  Describe the difference between the chlorides

Draw the structures of [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2.

  Size of a hydrogen spherical balloon for lifting a payload

Size of a hydrogen spherical balloon for lifting a payload, Determine the size of a spherical balloon filled with hydrogen at 30°C and atmospheric pressure for lifting 400Kg payload

  Explain yield of reaction

Yield of Reaction, Propene reacts with hydrobromic acid to yield 2-bromopropane via Markovnikov addition about the double bond of the alkene.

  Explain the initial temperature of the calorimeter

The initial temperature of the calorimeter is 23.0. If 6.30 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter?

  Define the most important attractive forces hydrogen bonding

What is the most important attractive forces (London dispersion, dipole dipole, hydrogen bonding) and the number of bonding domains

  Determine the number of pounds of water in the fish tank

A fish tank holds 30.0 gal of water. Using a density of 1.0 g/mL for water, determine the number of pounds of water in the fish tank.

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