Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

A student performing this lab measured the initial pH of one of his phosphate buffer solutions to be 7.68. After adding 0.25 mL of 0.50 M NaOH, the pH of the same solution changed to 8.05. Calculate the buffer capacity (? mmol OH-/? pH) of this solution to two decimal places.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M9442832

Have any Question?


Related Questions in Chemistry

This experiment involves collecting data for the cooling of

This experiment involves collecting data for the cooling of water between 175 o -160. o F in different containers. What is 175 o F in celsius? Please report your answer correctly to three significant digits.

What is an example of a cell diagram for a voltaic cell how

What is an example of a cell diagram for a voltaic cell? How do I calculate the standard cell potential for the example of the voltaic cell?

What is the calculation of kcnbspfor the following reaction

What is the calculation of K c  for the following reaction if an initial reaction mixture of 0.600 mole of CO and 1.80 mole of H 2  in a 6.00 liter container forms an equilibrium mixture containing 0.226 mole of H 2 O an ...

A hydrogen atom emits a photon as its electron changes from

A hydrogen atom emits a photon as its electron changes from n = 5 to n = 2. For the H atom, E n  = -2.18E-18*(1/n 2 ) J. What is the wavelength (in m) of the photon?  ( ) m The number of significant digits is set to 3; t ...

2 h2sg 3 o2g rarr 2 h2og 2 so2gusing standard enthalpies

2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g) Using standard enthalpies of formation, calculate the standard enthalpy change for this reaction.

What mass of solid naoh 970 naoh by mass is required to

What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution of NaOH by mass? The density of the 10.0% solution is 1.109 g/mL.

An 80-proof brandy is 400 vv ethyl alcohol the proof is

An 80-proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage. How many milliliters of alcohol are present in 750mL of brandy?

Consider the following questionsa what is the total volume

Consider the following questions: (a) What is the total volume of the CO2(g) and H2O(g) at 600 °C and 0.888 atm produced by the combustion of 1.00L of 2H6(g) measured at STP? (b) What is the partial pressure of H2O in th ...

Consider the following reactioncog cl2nbspg

Consider the following reaction. CO(g) + Cl 2  (g)  > COCl 2  (g)  The mechanism is believed to be, (1) Cl 2     2Cl (fast equilibrium) (2) Cl + CO   COCl (fast equilibrium) (3) COCl    + Cl 2  > COCl 2  + Cl (slow) (4) ...

A scuba diver creates a spherical bubble with a radius of

A scuba diver creates a spherical bubble with a radius of 2.5 cm at a depth of 30.0 m where the total pressure (including atmospheric pressure) is 4.00 atm. What is the radius of the bubble when it reaches the surface of ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As