How to determine the minimum concentration of koh

Assignment Help Chemistry
Reference no: EM13506280

Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.

A: 2.0*10-2 M CaCl2

B. 2.4*10-3 M Fe(NO3)2

C. 1.8*10-3 M MgBr2

Reference no: EM13506280

Questions Cloud

Location in a social stratification system : List and explain the four (4) forms of capital the author will use throughout the text to help determine people's location in a social stratification system
About the natural and social world : Explain how you know what you know; what is the structure and body of knowledge that informs you about the natural and social world? Is it "common sense," a theology, science, or perhaps astrology?
Compute the magnification of the mirror : An object is placed 5 cm in front of a spherical mirror. A virtual image is formed 10 cm behind the mirror. What is the magnification of the mirror
What do early management principles leave out : What do early management principles leave out?
How to determine the minimum concentration of koh : Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case.
Profit organization such as rain forest : Describe how you think new harvest benefits from alliances with not for profit organization such as rain forest
Define ethnocentrism : Define ethnocentrism. Explain and give two examples of how ethnocentrism can adversely impact and individual's ability to interact with coworkers who are from different racial and ethnic groups
Calculate the radiation force on the disk : A disk 1.0cm in diameter is located 2.5 m from a 100-W light bulb. The surface of the disk is a perfect reflector, Calculate the radiation force on the disk
Explain what is the ph of a solution dissolving two aspirin : The active ingredient of aspirin is acetylsalicylic acid, a monoprotic with a ka = 3.3 x 10 raised to -4 power. What is the pH of a solution dissolving two aspirin tablets, each containing 325 mg of acetylsalicylic acid, in 250 ml of water

Reviews

Write a Review

Chemistry Questions & Answers

  Explain a radioactive decay the half-life

For a radioactive decay (decomposition of a radioactive substance) the half-life is 6.0 h. How much radioactive substance remains after 22 h, in % (radioactive decay is a first-order process)

  Determine the rate law for the reaction

Given the initial rate data for the reaction A + B ? C, determine the rate law for the reaction.

  Consider a stoppered flask containing benzene

Consider a stoppered flask containing benzene, iodine, and air, which has reached equilibrium at 298K. Which one of the following statements concerning the system at equilibrium is true?

  A solution was prepared by mixing 4300 ml of 0190 m hno3

a solution was prepared by mixing 43.00 ml of 0.190 m hno3 and 108.00 ml of 0.150 m hno3. calculate the molarity of the

  Explain the heat capacity of solid and liquid ethanol

The heat capacity of solid and liquid ethanol are 0.97 J g-1 K-1, respectively. How much heat is required to convert 50.0 g of ethanol at -150 deg. celsius to the vapor phase at 78 deg. celsius

  Calculate the ph of a solution kocl

Calculate the pH of a solution that is 0.20 M HOCl and 0.90 M KOCl. In order for this buffer to have pH=pKa, would you add HCl or NaOH?

  Define how many minutes would a solution of cd2 electrolyzed

How many minutes would a solution of Cd2+ have to be electrolyzed with a 2.420 A current to plate out 1.77 g of Cd? min

  A 130 m solution of citric acid h3c6h5o7 in water has a

a 1.30 m solution of citric acid h3c6h5o7 in water has a density of 1.10 gcm3. calculate the mass percent molality mole

  Calculate the work done when 650 g of tin dissolves in

calculate the work done when 65.0 g of tin dissolves in excess acid at 1.00 bar and 23degc. assume ideal gas

  Explain chemical reactions that increase the number of moles

a) decreasing the volume of a gas b) melting a solid c) chemical reactions that increase the number of moles of gas d) forming mixtures from pure substances e)increasing the temperature of a gas

  What is the pressure of the dry oxygen gas

Oxygen gas is collected by water displacement from the reaction of sodium peroxide and water. The oxygen gas displaces 318 ml of water at 23 degrees C and 1 atm. What is the pressure of the dry oxygen gas?

  Use regression analysis to investigate the relationship

1. develop numerical and graphical summaries of data.2.nbspuse regression analysis to investigate the relationship

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