Explain the ph of a buffer prepared by adding weak acid

Reference no: EM13325766

What is the pH of a buffer prepared by adding 0.506 mol of the weak acid HA to 0.507 mol of NaA in 2.00L of solution? The dissociation constant Ka of Ha is 5.66 x 10^-7.

Reference no: EM13325766

Questions Cloud

Elements of critical thinking : Elements of critical thinking described on the inside front cover, comment - depreciation is calculated using straight-line; useful life 20 years; residual value $250,000

What is the force applied by the worker : a 50-N crate is pulled up a 5-m inclined plane by a worker at a constant velocity. what is the force applied by the worker

Evaluate the ph at the equivalence point in the titration : Determine the pH at the equivalence (stoichiometric) point in the titration of 31.4 mL of 0.899 M HF by 0.886 M NaOH. The Ka of HF is 3.5 x 10^-4.

Estimate the length of the wire : A wire carries a current of 0.58 A. This wire makes an angle of 63° with respect to a magnetic field of magnitude 6.4 × 10-5 T. What is the length of the wire

Explain the ph of a buffer prepared by adding weak acid : What is the pH of a buffer prepared by adding 0.506 mol of the weak acid HA to 0.507 mol of NaA in 2.00L of solution? The dissociation constant Ka of Ha is 5.66 x 10^-7.

Determine the voltage across the capacitor : Two 2.50-cm-diameter disks spaced 2.00mmapart form a parallel-plate capacitor. The electric field between the disks is 4.60×105V/m. What is the voltage across the capacitor

The manager of the marketing research department : Barbara Herdman is the manager of the marketing research department of J.E. Hall, Inc. She recently collected demand data for the last six years of a special product and then asked one of her associates, Mr. Brown, to forecast the data for the same p..

What is the potential at the center of curvature : A thin wire is bent into a semicircle, having a radius of curvature equal to 6.40 cm. What is the potential at the center of curvature?

What is the yield to maturity : You are considering the purchase of a three year corporate bond. The denomination is $1,000 and the market price is $970.00. The interest is paid monthly at $8.90.

User Account

All Pages