Evaluate the [cr+3] in equilibrium with cr(oh)4-(aq)

Assignment Help Chemistry
Reference no: EM13523838

Calculate the [Cr+3] in equilibrium with Cr(OH)4-(aq) when 0.010 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at a pH of 7.3. Kf for Cr(OH)4-(aq) is 8.0 x 1029.

2.0 x 10-3M
7.9 x 10-6M
3.1 x 10-8M
1.6 x 1023M
2.0 x 10-7M

Reference no: EM13523838

Questions Cloud

Find the magnitude of the net force acting on soccer ball : At an instant when a soccer ball is in contact with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 810 m/s2, find the magnitude of the net force acting on the soccer ball
Explain aqueous mgcl2 are electrolyzed with inert electrodes : When a sample of molten MgCl2 and a sample of aqueous MgCl2 are electrolyzed with inert electrodes different products are obtained. Determine the product of the electrolysis of each sample and explain why there is a difference.
Determine the net electric flux through the surface : A point charge of 6.1 µC is at the center of a cubical Gaussian surface 60 cm on an edge. What is the net electric flux through the surface
What is the expected annual number of lives saved : What is the conditional expected survival benefit for admit-ted patients - produce a formula for the total ICU admission rate in patients per day that. applies for all potential values of It between 0.03 and 0.44.
Evaluate the [cr+3] in equilibrium with cr(oh)4-(aq) : Calculate the [Cr+3] in equilibrium with Cr(OH)4-(aq) when 0.010 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at a pH of 7.3. Kf for Cr(OH)4-(aq) is 8.0 x 1029.
What is his total displacment during the entire trip : A physics instructor drives down to St. Louis to see his mom. On the way there, he travels the first half of the time at 60.0 km/hr and the second half the time at 95.0 km/hr. What is his total displacment during the entire trip
Explain what is the ph of the buffer ka for acetic acid : A student is asked to prepare a 1 L buffer by adding 0.11 M sodium acetate to 0.09 M acetic acid solution. What is the pH of the buffer? Ka for acetic acid is 1.8 x10 -5
Find what is your walking speed : During a heavy rain, the drops are falling at a constant velocity and at an angle of 9.5° west of the vertical. What is your walking speed if the speed of the drops relative to the ground is 4.6 m/s
Determine how long does the task take : An athlete needs to lose weight and decides to do it by "pumping iron." If the weight is lifted once every 1.90 s, how long does the task take (in hours)

Reviews

Write a Review

Chemistry Questions & Answers

  How many grams of na3po4 will be needed to produce 400 ml

a scientist watns to make a solution of tribasic sodium phosphate na3po4 for a laboratory experiement. how many grams

  What is the enthalpy, delta h, of licl

A 4.50-g sample of LiCl at 25.0 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C.

  State formulas for the ionic compounds

Enter formulas for these ionic compounds. copper(I) bromide copper(II) bromide iron(III) bromide lead(IV) bromide copper(I) oxide copper(II) oxide iron(III) oxide lead(IV) oxide

  Calculate the molarity of a solution made by dissolving

Calculate the molarity of a solution made by dissolving 0.650 Na2SO4 grams of in enough water to form exactly 950 mL of solution.

  State the b oxidation pathway are similar to three reactions

The first three reactions of the b oxidation pathway are similar to three reactions in the Kreb's cycle. Which three and why are they similar

  How many moles of oxygen are required

If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?

  Explain what mass percent sucrose in an aqueous sucrose

What mass percent sucrose (C12H22O11)should be present in an aqueous sucrose solution to raise the boiling point to 100.00 degrees celsius at this pressure

  State building block for synthetic fibers and plastics

Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year.

  Explain half reaction makes it a reduction potential

Choose the INCORRECT statement. a) When a half reaction is reversed, the sign of the potential is changed. b) reversing a half reaction makes it a reduction potential. c) each cell has a reduction half cell and an oxidation half cell.

  Explain what is the form of the integrated rate law

what is the form of the integrated rate law which will produce a straight line if the reaction shown in the equation (dye(aq)+NaOCl(aq) ---> colorless products (aq)) is 0th order with respect to [dye]? 1st order with respect to [dye]? 2nd order wi..

  Compute delta h for the reaction at 298k

Calculate delta H for this reaction at 298K. Calculate delta G for this reaction at 298K. Calculate delta S for the reaction, for the surroundings, and the total delta S.

  At 25 degrees of nh3 molar mass 17 grams effuses at the

at 25 degrees of nh3 molar mass 17 grams effuses at the rate of .50 mole per minute. under the same conditions which of

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