Explain volume change occurs when solid nabro is added

Assignment Help Chemistry
Reference no: EM13506367

How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.

Reference no: EM13506367

Questions Cloud

What is the focal length of the lens for blue light : A thin lens has a focal length of 10.00 cm for red light. If the index of refraction for the lens material tends to decrease with increasing wavelength
What is the alternative : The value of the firm is equal to the discounted value of the firm's free cash flows. Is it possible to forecast distant free cash flows? If not, what is the alternative?
Obtain the index of refraction of the material : A sheet of an unknown material that is 1.223 +/-.003 micrometers thick is suspended in air. What is the index of refraction of the material
Compute the magnitude of the emf induced in the loop : A rectangular loop (area=0.15m2) turns in a uniform magnetic field with B=0.20T. what is the magnitude of the emf induced in the loop
Explain volume change occurs when solid nabro is added : How many moles of NaBrO should be added to 1 l of 0.200 M hypobromous (HBrO) acid to obtain a buffer of pH 8.80 (assume no volume change occurs when solid NaBrO is added)? The pka of the acid is 8.70.
Which approach to the sdlc would be most appropriate : 1. Compaared to the Tradeshow application described in Chapter 1, how long might this project take, and which approach to the SDLC would be most appropriate?
Explain the purpose of each performance measure : A recession? How would your decision change if your firm's plant and equipment needed to be replaced? What if plant and equipment were new?
Determine the length of its image in the mirror : A straight object of length 1.9 cm lies along the central axis of a spherical mirror with focal length 7.2 cm. What is the length of its image in the mirror
Explain the density of a saturated alf3 solution : The solubility of AlF3 is 6.7 g AlF3 per liter of solution. The density of a saturated AlF3 solution is 1.0 g/mL. The Ksp of AlF3 is

Reviews

Write a Review

 

Chemistry Questions & Answers

  Explain how many moles are present of an ideal gas

how many moles are present of an ideal gas at the following conditions: 1.0 atm, 25.0 C, and occupying 22.4 L, The Lewis structure for PF3 shows that the central phosphorus atom has _______ nonbonding and

  Calculate the molar mass of the unknown

solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.

  State diatomic oxygen to form nitric oxide

diatomic oxygen to form nitric oxide and water vapor: 4NH3 + 5O2 > 4NO + 6H2O When 20.0 g NH3 and 50.0 g O2 are allowed to react, which is the limiting reagent? How much water is produced and how much is left of the excess reagent

  Explain amino acids best to use to create a buffer at ph

Which of the 20 standard amino acids would be best to use to create a buffer at pH = 8.6 and why?

  Compute the range of ph values for which mg(oh)

Calculate the range of pH values for which Mg(OH)2 will not precipitate but Fe(OH)3 will. Assume the solution is 0.0500 M

  Explain what is the ph of a solution obtained by mixing

What is the pH of a solution obtained by mixing 50mL of 0.02 M sodium acetate with 40mL of 0.01 M HCl.

  Evaluate the ratio of naf to hf required to create a buffer

Calculate the ratio of NaF to HF required to create a buffer with pH = 4.10. Calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH = 10.22

  Compute the temperature of the gas in degrees celsius

53.5 g of an ideal gas of molecular weight = 30.5 g/mol are confined at a pressure of 133 mmHg. The density of the gas is 0.228 g/L. Compute the temperature of the gas in degrees Celsius.

  Find out the concentration of pb2

A second 1.0 mL sample is spiked with 2.0 microliters of a 1000 ppb Pb2+ standard and diluted to 5.0 mL, yielding an Sspike of 0.4. Determine the concentration of Pb2+ in the original sample of blood.

  What is the molecular formula of this compound

Analysis of a carbohydrate showed that it consisted of 40.0 % C, 6.71 % H and 53.3 % O by mass. Its molecular mass was found to be between 140 and 160 amu. What is the molecular formula of this compound?

  Amides undergo hydrolysis to carboxylic acids

Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid

  Explain reduction potentials to calculate the value of k

use the appropriate standard reduction potentials to calculate the value of k at 25 degrees celcius for this reaction

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