Compute the difference in ph

Assignment Help Chemistry
Reference no: EM13232995

The pH of 0.5 M formic acic, HCOOH, is 2.02. Calculate the difference in pH when 6.42 g of HCOONa is added to 390.9 mL of 0.50 M formic acid. Ignore any changes in volume.

The Ka value for HCOOH is 1.8 x 10-4.

Reference no: EM13232995

Questions Cloud

Give pseudocode to reconstruct an lcs from completed c table : Give pseudocode to reconstruct an LCS from the completed c table and the original sequences X = and Y = in O(m+n) time, without using the b table. Do this by writing a modified version of PRINT-LCS?
Define what is the probability that removed 8 straight nails : A box of nails contains 90 straight nails and 10 nails too bent to be used. You randomly select 10 nails from the box. What is the probability that you removed 8 straight nails and 2 bent nails? To find the probability, first derive a general expr..
Calculate the projected and actual irr : A foundry is fully equipped for $650,000. It is expected to earn $85,000 annually for 15 years without any salvage value. Due to changing market conditions, the foundry is sold for $100,000 after 8 years
How to restore the site to original environmental conditions : A bauxite mine can be purchased for $20,000,000 and is expected to yield $5,300,000 annually for the next 20 years. After that, the mine is closed and $4,000,000 will be required to restore the site to original environmental conditions
Compute the difference in ph : The pH of 0.5 M formic acic, HCOOH, is 2.02. Calculate the difference in pH when 6.42 g of HCOONa is added to 390.9 mL of 0.50 M formic acid. Ignore any changes in volume.
Find what is the irr-internal rate of return : An investor deposits $30,000 annually at the end of each year for the next 15 years. At the end of the 16th year he starts to withdraw a geometric series of 20 annual payments, each 5% larger than the previous one.
Explain how many moles of hco3 : When bicarbonate is reacted with acid it releases CO2. How many moles of HCO3? did you start with if you collect 1.24 x 10 3 moles of CO2(g)?
Describe the dna elongated : How is a new copy of DNA elongated, List three keyproteins involved and explain their function. Mention leading and lagging strands and explainthe difference
What is the equivalent equal annual cost of the fuel : Gasoline costs $0.95 per liter and will increase at 6% per year. At a fuel economy of 9km/liter, what is the present worth cost of fuel for five years of driving 30,000km per year Use 6.2% interest. What is the equivalent equal annual cost of the ..

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the ionization energy of the molecule

a photon of wavelength 40.0nm is used to eject an electron with the energy 22.3eV from a molecule.calculate the ionization energy of the molecule and tha associated wavelength of the elctron..

  How would your molar mass value be affected

If you didn't wipe away any frost or condensation formed during sublimation, how would your molar mass value be affected? Be specific please.

  Copper sulfate and zincs sulfate with a sodium sulfate salt

A copper zincs voltaic cell is constructed using 100 ml solutions if 1 M solutions of copper sulfate and zincs sulfate with a sodium sulfate salt Bruges.

  What mass of aspirin could be produced

Aspirin (C9H8O4) is produced through the following reaction of salicylic acid (C7H6O3) and acetic anhydride (C4H6O3). C7H6O3(s) + C4H6O3->  C9H8O4(s) + HC2H3O2

  How high does the water rise in the graduated cylinder

you have 100 mL graduated cylinder containing 50 mL of water. you drop a 154 g piece of brass (d= 8.56 g/cm3) into the water. how high does the water rise in the graduated cylinder?

  State all of this oxygen were converted to a gas

we determined that the sample contained 5.34mol of oxygen. If all of this oxygen were converted to a gas at 24 degrees celcius and 770mmHg of pressure, what volume would it occupy?

  Explain advantageous to relux the reaction mixture

In the dehydration of methylcyclohexanols, would it be advantageous to relux the reaction mixture instead of performing a distillation?

  What is the final temperature of the aluminum block

A.E. Dyer supplied 45.9 cal of heat energy to a 156-g piece of aluminum block that was kept at 28 degree C. What is the final temperature of the aluminum block?

  Calculate average number of air molecules

At an altitude of 45.00 km, the average atmospheric temperature is essentially 0 degrees C. What is the average number of air molecules per cubic centimeter of air at this altitude?

  What is the intermediate of the photochemical isomerization

what is the intermediate of the photochemical isomerization of (E,E)-2,4-hexadiene to (Z,E)-2,4-hexadiene ? Draw the structure of this nternediate

  Write the electron configuration for a gallium atom

Write down the second period elements (ie. lithium through neon), on order of increasing first ionization energy and Write the electron configuration for a gallium atom.

  Eplaiin hydroxycyclobutanone is treated with mid base

when 3-hydroxycyclobutanone is treated with mid base, 1,3,5-triacetybenzene is formed in 50% yield.

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