Explain the ph of the solution was 8.93 at 25.0 °c

Assignment Help Chemistry
Reference no: EM13321333

Z- is a weak base. An aqueous solution of NaZ is prepared by dissolving 0.350 mol of NaZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 8.93 at 25.0 °C

Reference no: EM13321333

Questions Cloud

Estimate the expected life of the landfill in years : seven hundred sixty-five meters cubed of solid waste is dumped ate the site 5 days a week. This waste is compacted to twice its delivered density. Estimate the expected life of the landfill in years.
Find the heights of the pendulum : Let a coil wand pendulum start swinging with an angle of 30 degrees with the vertical. Calculate the heights of the pendulum at the start and final positions
Find the average velocity and mass flowrate out of the elbow : If the weight flowrate into the elbow is 47 lbf/s, find the mass flowrate out of the elbow, the volume flowrate in and out of the elbow, and the average velocity in and out of the elbow.
Suppose that government spending is raised at the same time : Suppose that government spending is raised at the same time that the money supply is lowered. What will happen to the position of the aggregate demand curve?
Explain the ph of the solution was 8.93 at 25.0 °c : Z- is a weak base. An aqueous solution of NaZ is prepared by dissolving 0.350 mol of NaZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 8.93 at 25.0 °C
What is the planets radius : You have been visiting a distant planet. Your measurements have determined that the planet's mass is two times that of earth but the free-fall acceleration at the surface is only one-fourth as large. What is the planet's radius
How does the equilibrium level of income depend on a and m/p : A is autonomous expenditure, b is the interest elasticity of investment expenditure, k is the income elasticity of money demand, he is the interest elasticity of money demand, It is the tax rate, and mpc is the marginal propensity to consume.
Explain the ph of aqueous solution of phosphoric acid : The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C. What is the pH of a 2.5 M aqueous solution of phosphoric acid
Discuss how the slope of the lm curve is affected by k and h : M/P=kY – bi where k is the income elasticity and h is the (nominal) interest rate elasticity of real money balances. Assume that k > 0 and that h > 0. Further assume  that the quantity of nominal money balances is fixed by the Bank of Canada at M and..

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the osmotic pressure in mm hg

calculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions

  Find out the ph at the equivalence stoichiometric

Determine the pH at the equivalence (stoichiometric) point in the titration of 22.0 mL of 0.938 M HNO2 by 0.590 M LiOH. The Ka of HNO2 is 4.3 x 10-4.

  State cuvette placement to avoid pre-and post-filter effects

Why are fluorescence measurements made at 90 degrees from the incident beam in most cases? 3. What is the ideal cuvette placement to avoid pre- and post-filter effects?

  Explian oxalic acid is a diprotic acid that occurs naturally

Oxalic acid is a diprotic acid that occurs naturally in some plants. Calculate the pH and the concentrations of all species present in a 0.36-M solution.

  Define gas-liquid separators are important in industry

The drum will be operated at 1.25 psi and 70 F. Do you think a horizontal tank would be larger, smaller, or the same size?

  State the root mean square speed of air molecules striking

Estimate the root mean square speed of air molecules striking the skin of a CHM315 student sitting in the class room at 8:15 am, assume that the room is at 27 degrees celcius

  Define what are the equilibrium concentrations of h2a and a2

For the diprotic weak acid H2A, Ka1 = 3.2 × 10-5 and Ka2 = 7.9 × 10-7. What is the pH of a 0.0400 M solution of H2A? What are the equilibrium concentrations of H2A and A2- in this solution

  Define what is the maximum energy the electron

A photon having E = 46.9 keV energy scatters from a free electron inside a metal. What is the maximum energy the electron can gain from the photon

  Define ice-water bath and allowed to mix at room temperature

A suspension of vanillin (2.5838 g, 16.98 mmol) and sodium hydroxide (0.022 g, 22 mL, 1M) was coolied in an ice-water bath before adding sodium borohydride (0.41s g, 10.89 mmol) while swirling the mixture. After addition of the sodium borohydride ..

  Explain equilibrium problem to calculate the ph

Solve an equilibrium problem (using an ICE table) to calculate the pH of 0.12M HF, 0.12M NaF, and a mixture that is 0.12M HF and 0.12M NaF.

  Compute the equivalent mass of p2o5

sample of fertilizer by the procedure of this experiment and obtain 1.000g of MgNH4PO4 * 6H20. Calculate the equivalent mass of P2O5 initially in the sample.

  Find which is the cathode and which is the anode

Consider the reaction of Al and Al+3 and Mg and Mg+2. Which is the cathode and which is the anode

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