Compute the acid dissociation constant

Assignment Help Biology
Reference no: EM1392754

Question: 150 mL of 0.1M NaOH is added to 200mL of 0.1M formic acid and water is added to give a final volume of 1 L.
a) What is the pH of the final solution? (the Ka for formic acid is 1.78x10^-4 M)

Question: A 0.02 M weak acid solution was measured to have a pH of 4.6 a) What is the [H+] in this solution? b) Calculate the acid dissociation constant, Ka and pKa for this acid

 

Reference no: EM1392754

Questions Cloud

Compare functional magnetic resonance : Compare functional magnetic resonance imaging and magnetoencephalography with regard to spatial and temporal resolution.
Determine the velocity of the boat immediately : A child in a boat throws a 5.600 kg package out horizontally with a speed of 11.00 m/s. Determine the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 23.00 kg and that of the boat is 45.00 kg.
Explain differences between u.s. gaap and ifrs positions : Assess the main differences between U.S. GAAP and IFRS' positions on research and development cost, pointing out which of the two you think gives the most detailed and correct financial information.
What is the acceleration in meters per second squared : A shop sign weighing 245-N is supported by a uniform 155-N bean. Find out the tension in the guy wire, and the horizontal and vertical forces exerted by the hinge on the bean.
Compute the acid dissociation constant : A 0.02 M weak acid solution was measured to have a pH of 4.6 determine the [H+] in the solution and compute the acid dissociation constant,
What is the minimum time required for crossing : A hunter wishes to cross a river that is 2.10 km wide and that flows with a speed of 4.4 km/h. The hunter uses a small powerboat that moves at the maximum speed of 12.60 km/h with respect to the water.
Central tendency and measure of varibility : Discuss what is meant by mean, median, mode, variance, and standard deviation for a set of scores. Also mention under what circumstance you would use each of these.
How various forces are acting on her : A shop sign weighing 245-N is supported by a uniform 155-N bean. Find out the tension in the guy wire, and the horizontal and vertical forces exerted by the hinge on the bean.
Calculate the cpi and spi : Calculate the CPI and SPI. Explain the results of the calculation - what do they mean?

Reviews

Write a Review

Biology Questions & Answers

  How numerous chromosomes would be in an egg cell produced

Cyanobacteria grow prolifically in streams and lakes with low oxygen levels and high nutrient concentrations. How may the presence or absence of cyanobacteria be used as an index of pollution in lakes.

  Define the impact of this cycle on the typical resting

Describe the molecular events that generate the "dark current" in photoreceptor cells;define the impact of this cycle on the typical resting.

  Find rate of neutral substitution depend on

DNA sequences differ between species due to substitution events, i.e. when new mutations arise and become fixed by drift or selection in one of the species.

  Ribosomal rna genes in cyanobacteria

In plants, the mitochondrial, chloroplasts and nuclear genomes all contain ribosomal RNA genes. Would you expect the ribosomal RNA genes of a plant's mitochondria to be more like those of its chloroplasts

  Case study - cardiovascular

Roger Crocket, a sixty-eight year-old man with a 40-pack-year smoking history and recent complaints of angina upon exercising, collapsed while mowing his lawn.

  Communicable or a noncommunicable disease

Ebony is a seven year old child who didnt feel well and was complaining of a sore throat. By the next morning, Ebony had a bright red tongue and a rash across her chest.

  Difference between enveloped and nonenveloped viruses

What is the main difference between enveloped and nonenveloped viruses? How does this affect entry of each kind of virus into the host cells? Variances are expressed.

  Calculate the number of heterozygotes for the trait

The ability to taste PTC is due to a single dominant allele "T". You sampled 215 evolution students, and determined that 150 could detect the bitter taste of PTC and sixty-five could not.

  A throat culture grew gram-negative diplococci

After contact with a patient's spinal fluid, a lab technician developed fever, nausea, and purple lesions on her neck and extremities. A throat culture grew gram-negative diplococci. What is the genus of bacteria.

  Effect of neuropeptide on smooth muscle cells

Studies have demonstrate that the effect of neuropeptide Y on smooth muscle cells in the uterus is attenuated doing pregancy.

  Solving genetics question

Assume that r, red and sc, scarlet, are two recessive eye-color mutations that lie twenty map unites apart on the Drosphila X chromosome, and that each causes a read eye color in place of the wild type purple color.

  Define what would the genotypes and phenotypes

define What would the genotypes and phenotypes. Follow an X-linked recessive mutation from a cross between a heterozygous female and a wild-type male.

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