Determine the concentration of co32- ions

Assignment Help Chemistry
Reference no: EM13164332

Determine the concentration of CO32- ions in a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11."

A. 2.8 x 10-4 M
B. 3.2 x 10-6 M
C. 5.6 x 10-11 M
D. 4.3 x 10-7 M
E. 6.9 x 10-8 M

Reference no: EM13164332

Questions Cloud

Calculate the cell potential : Calculate the cell potential, , for this galvanic cell and ΔG for the cell reaction at these conditions.
What gas was evolved during this washing step : In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
State a solution prepared by mixing : A solution prepared by mixing 100 mL of 0.2 M glycine and 100 mL of 0.2 M Cu2+ is adjusted to a pH of 7 with NaOH. Calculate [Cu2+], [CuA+], [CuA2], [HA], and [A-] in the solution.
What gas was evolved during this washing step : In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
Determine the concentration of co32- ions : Determine the concentration of CO32- ions in a 0.18 M H2CO3 solution. Carbonic acid is a diprotic acid whose Ka1 = 4.3 x 10-7 and Ka2 = 5.6 x 10-11."
State concentration of nadh was found by using beer''s law : Concentration of NADH was found by using beer's law using 6.22 mM cm-1 as extinction coefficient. Concentration of NADH = .0212 mM. Moles of NADH that are present in 1.02 mL sample was found by : .0212 mM x 1.02 mL = .021624 mM/mL
Which statement about alcohols is not correct : Which statement about alcohols is not correct?
Which of the following is not a buffer solution : Which of the following is not a buffer solution?
Flask containing an excess of what : If 1.0 atm H2S (g) are added to a 1.0 L flask containing an excess of I2 (s), what will be the equilibrium pressure of HI?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain why does benzyl alcohol a primary alcohol

Why does benzyl alcohol, a primary alcohol, react rapidly in the presence of HCl to form benzyl chloride? If it's primary, shouldn't the reaction be slow?

  What is the pressure of the gas

a sample of HCI is placed in a 256ml flask where it exerts a force of 67.5 mmHg. What is the pressure of the gas if it is transfered to a 135mL flask?

  What is the new pressure in the bicycle tire

A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..

  Caclculate the number of grams of fe formed

caclculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts.

  Explain solid hydrogen is held under an external pressure

Suppose a sample of solid hydrogen is held under an external pressure of 0.030 atm and heated from 5 to 300 K. What phase change(s), if any, will occur?

  Explain the formation of phenoxy radical by abstraction

in the synthesis of divanillin the first step in the mechanism of this reaction involving vanillin is the formation of phenoxy radical by abstraction of the phenoic H atom

  Determine the number of moles of o2 produced

Determine the number of moles of O2 produced by the decomposition of 426 g of NaClO3

  Compute the thickness of a salt layer left after evaporating

Calculate the thickness of a salt layer left after evaporating an ocean of 35%u2030 salinity and 4-km depth.

  What mass of hydrogen in grams was present

if the Hindenburg held 2.0x10^5 m^3 of hydrogen gas at 23 degrees Celcius and 1.0 atm, what mass of hydrogen in grams was present?

  Calculate the equilibrium concentrations for all of species

At a particular temperature, K=2.0x10^-6 mol/L for the following reaction: 2CO2 (g) at equilibrium with 2CO(g) + O2 (g) If 2.1 mol CO2 is initially placed into a 4.2 L vessel, calculate the equilibrium concentrations for all of the species.

  What is the percent dissociation of ascorbic acid

What is the percent dissociation of ascorbic acid if the solution has a pH = 5.50 and a pKa = 4.10?

  Determine the molar concentration of chloride ions

Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.

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