Explain the concentration of the sodium hydroxide

Assignment Help Chemistry
Reference no: EM13341059

You titrated 1.740g of a solid unknown acid that wasdissolved in 100.0 mL of distilled water; the initial pH value was 2.5. You found that pH= pKa =4.2 when 12.50 mL of NaOH had been added. The concentration of the sodium hydroxide was 0.500M. Calculate the value of Ka

Reference no: EM13341059

Questions Cloud

What are sec financials required to adhere : What are companies registered with the Securities & Exchange Commission (SEC) required to include with their financial reports and what are SEC financials required to adhere to?
Find the net electrostatic fornce exerted on the charge : Point charges of +1nc, +3nc and -3nc are located at each of three corners of an equilateral triangle with side length of 30cm. Find the net electrostatic fornce exerted on the +1nc charge.
Find the forces that act on each of the three charges : A charge of -1.0 µC is located at the origin, a second charge of 3.4 µC is located at x = 0, y = 0.1 m, and a third charge of 5 µC is located at x = 0.2 m, y = 0. Find the forces that act on each of the three charges. q = -1.0 µC
Determine what is the level at distance of 216m : at 22m from a sound source, the intensity level is 52dB. A: what is the level at distance of 60 B: what is the level at distance of 216m
Explain the concentration of the sodium hydroxide : You titrated 1.740g of a solid unknown acid that wasdissolved in 100.0 mL of distilled water; the initial pH value was 2.5. You found that pH= pKa =4.2 when 12.50 mL of NaOH had been added. The concentration of the sodium hydroxide was 0.500M. Cal..
What is the relativistic kinetic energy of the electron : An electron is accelerated from rest through a potential difference that has a magnitude of 2.70 × 107 V. The mass of the electron is 9.11 × 10-31 kg, What is the relativistic kinetic energy (in joules) of the electron
Find out number initial concentration of clo2 : Determination number Initial concentration of CLO2, mol/L Initial concentration of OH^-, mol/L Initial rate for formation of CLO3^- mol/L.s 1 1.25 x 10^-2 1.30 x 10^-3 2.33 x 10^-4 2 2.50x10^-2 1.30 x 10^-3 9.34x10^-4 3 2.50x10^-2 2.60 x 10^-3 1.8..
Determine magnitude and direction for the electric field : A 1.98 10-9 C charge has coordinates x = 0, y = ?2.00; a 2.73 10-9 C charge has coordinates x = 3.00, y = 0; and a -4.95 10-9 C charge has coordinates x = 3.00, y = 4.00, where all distances are in cm.
Determine what will be the frequency heard by a man : An ambulance has a siren of frequency 700 Hz. If the ambulance is moving at a speed of 60 miles per hour, what will be the frequency heard by a man standing on the sidewalk as the ambulance approaches him

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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