Explain what is the concentration of co3^2

Assignment Help Chemistry
Reference no: EM13522062

What is the concentration of CO3^2- in a 0.020 M solution of carbonic acid, H2CO3? For a carbonic acid, Ka1 = 4.2 x 10^-7 and Ka2 = 4.8 x 10^-11.

A) 4.8 x 10^-11 M
B) 2.0 x 10^-2 M
C) 4.6 x 10^-5 M
D) 4.2 x 10^-7 M
E) 9.1 x 10^-5 M

Reference no: EM13522062

Questions Cloud

Explain what is the value of eo for the cell : The Fe^2+/Fe half-cell reduction potential is -0.41 V, and the H+/H2 half-cell reduction potential is 0.00 V. What is the value of Eo for this cell, and which electrode is the anode
What is the speed of a satellite orbiting at that height : At what height above the earth is the free-fall acceleration 20% of its value at the surface. What is the speed of a satellite orbiting at that height
Explain the amount of energy absorbed by a person''s body : Compare this energy ( 23 Joules) to the amount of energy absorbed by a person's body if they jumped from a chair to the floor (assume that all of the energy from the fall is absorbed by the person and h=0.5 m).
Glycerine in water diffuses along a horizontal column : Glycerine in water diffuses along a horizontal column that has a cross-sectional area of 2.0 cm2. The concentration gradient is 3.2 10-2 kg/m4, and the diffusion rate is found to be 5.9 10-15 kg/s. Determine the diffusion coefficient.
Explain what is the concentration of co3^2 : What is the concentration of CO3^2- in a 0.020 M solution of carbonic acid, H2CO3? For a carbonic acid, Ka1 = 4.2 x 10^-7 and Ka2 = 4.8 x 10^-11.
What is the longest focal length lens that will work : What is the longest focal length lens that will work?
Explain the hydronium-ion concentration in a solution : What is the hydronium-ion concentration in a solution formed by combining 150 mL of 0.10 M NaOH with 50 mL of 0.30 M HCL. Ba(OH)2(aq) + 2HCl(aq) -> BaCl2(aq) + 2H2O
Determine the cutoff wave length of potassium : work function of potassium is 2.225 eV. Find the cutoff wave length of potassium, find the frequency of the x-ray
Calculate this temperature : Calculate this temperature.

Reviews

Write a Review

Chemistry Questions & Answers

  What volume of hydrogen is necessary

What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia?

  Siver nitrate is sadded to a solution containing an salt

Siver nitrate is sadded to a solution containing an unknown salt. An off-white colored precipitate forms. Nitric acid is added to the mixture, the precipitate dissolves and a gas is given off. What is the anion present: Cl-, Br-, I-, PO4 3-, SO4 2..

  What is the partial pressure of oxygen in the mixture

A gaseous mixture of and contains 35.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 585 ?

  What organic products formed when acetyl chloride reacts

Acetyl chloride reactions, What major organic products would you expect to be formed when acetyl chloride reacts with the following reagents?

  Final temperature required to change the volume of the gas

What final temperature, in degrees celcius, is needed to change the volume of the gas to each of the following, if n and P do not change?

  Calculate the density of a neutron

Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron.

  How to calculate the entropy change for the system

Calculate the entropy change for the system and the surroundings. The heat of fusion of water is 6.02 kJ/mol; Cp (water)=4.184 J/K/g, Cp(ice)=2.094 J/K/g.

  A nugget of gold with a mass of 521g is added to 500ml of

a nugget of gold with a mass of 521g is added to 50.0ml of water. the water level rises to a volume of 77.0ml. what is

  How many grams of co2 (g) are theoretically produced

In an excess amount of oxygen, how many grams of CO2 (g) are theoretically produced from the combustion of 901.0 g of glucose [C6H12O6 (s), molar mass of 180.2 g/mol]?

  Explain flexible at the glass transition temperature

hard, amorphous polymers become soft and flexible at the glass transition temperature B) crystalline regions of a polymer melt transition temperature C

  Explain eventually all of the kinetic energy of the stirrer

In the following experiment, the water in the glass is stirred by slowly lowering a weight (m=3kg) through a series of pulleys. If the 3kg weight is lowered 10m, the stirrer spins, but eventually all of the kinetic energy of the stirrer is turned ..

  Explain bromothymol blue is a common acid-base indicator

Bromothymol blue is a common acid-base indicator. It has a Ka equal to 1.6 x 10^-7. Its un-ionized form is yellow and its conjugate base is blue. What color would a solution have at pH = 5.8

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