Explain sodium dihydrogen borate

Assignment Help Chemistry
Reference no: EM13328899

A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution?

Reference no: EM13328899

Questions Cloud

Find out the partial pressures of each gases at equilibrium : determine the partial pressures of each gases at equilibrium. b.determine the equilibrium constant at 350.15 K
Find the location of the two flashes in frame : A red light flashes at position xR=4.00 m and time tR=1.00x10-9 s and a blue light flashes at xB=5.00 m and tB=8.50x10-9 s. Find the location of the two flashes in frame S'
Brad can fix the same kind of meal in 2hours and his : Brad can fix the same kind of meal in 2hours, and his opportunity cost of one hour is $20. Will both Angelina and Brad be better off if Brad fixes meals for her and she pays him $45 per meal? Explain
Determine what predetermined overhead rate would be used : Compton Company uses a predetermined overhead rate in applying overhead to production orders on a labor cost basis in Department A and on a machine-hours basis in Department B.
Explain sodium dihydrogen borate : A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution
What time interval between them does she find : An experimenter arranges to trigger two flashbulbs simultaneously, producing a big flash located at the origin of his reference frame and a small flash at x = 8.25 km. What time interval between them does she find
Determine at what angle should the curve be banked : Engineers are designing a curved section of a highway. If the radius of curvature of the curve is 114 m, at what angle should the curve be banked
Define the free energy change for the reaction : For a given chemical reaction, ?H = -32.0 kJ/mol and ?S = -98.0 J/mol*K. Estimate the free energy change for the reaction at 775 C and 1 bar pressure. I believe it to be 70.7 kJ/mol
If the input costs are rising at teh same time that consumer : If the input costs are rising at teh same time that consumer income is falling, what will happen to the equilibrium price and quantity?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the percent yield

825grams of NO are produced from the reaction of 500grams of NH3 with excess oxygen, what is the percent yield?

  Explain deltah0 and deltas0 are independent of temperature

Using data from the Appendix, calculate the temperature where Keq = 1.00. You may assume that deltaH0 and deltaS0 are independent of temperature.

  Compute the concentration of ethanol in wine

Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent? answer in % molality? answer in mol/kg

  State aqueous hcl and heat to give a clear aqueous solution

A compound A (C22H27NO) is insoluble in acid and base but reacts with concentrated aqueous HCl and heat to give a clear aqueous solution from which, on cooling, benzoic acid precipitates.

  Compute the mass of each precipitate

explain what a compound is, and give the names and formulas for 10 compounds containing your your chosen element. When 41.8 mL of 0.4731 M strontium hydroxide reacts with 26.1 mL of 0.2596 M cobalt(III) sulfate, two precipitates can form. Assume vo..

  Explain what is the equilibrium partial pressure of i2

Initially, .500 atm of H2 and .500 atm I 2 are mixed in an evacuated 1.0 L flask. The system is allowed to come to equilibrium and it is found tocontain 0.368 atm HI. What is the equilibrium partial pressure of I2 for the reaction shown below

  How many millimeters of 5m naoh are needed

how many millimeters of 5M NaOH are needed to neutralize 40mL of 2M H2SO4

  Calculate the pressure exerted in the closed end

Calculate the pressure exerted in the closed end of an apparatus similar to that depicted in Figure 1 if the atmospheric pressure is 720.0 torr and the height of the water column is 22.3cm.

  Define what is the maximum number of grams

what is the maximum number of grams you could obtain if you recrystallize 28 g of cholesterol from 100 mL of methanol

  How much calcium bisulfate ca(hso4)2 will be produced

Calcium hydroxide and sulfuric acid can react to produce calcium bisulfate and water. When 0.0720 mol of sulfuric acid are reacted with 0.0240 mol of calcium hydroxide, how much calcium bisulfate, Ca(HSO4)2, will be produced?

  Explain what is nitroglycerin''s molar mass

What is Nitroglycerin's molar mass if the addition of 0.454 g of nitroglycerin to 100.0 g of benzene changes the solution's vapor pressure to 94.85 mm Hg?

  Salicylic acid with methanol to yield methyl salicylate

salicylic acid with methanol to yield methyl salicylate why wouldnt you use a strong base like sodium hydroxide?

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