User Account

All Pages

Acceptable buffer range of the solution

Assignment Help Chemistry
Reference no: EM131344337

Consider a buffer solution that contains 0.35 M NaHCO3 and 0.25 M Na2CO3. pKa(HCO3-­-)=10.33.

a) Calculate its pH.

b) Calculate the change in pH if 0.130 g of solid NaOH is added to 170 mL of this solution.

c) If the is ±0.10 pH units, calculate how many moles of H3O+ can be neutralized by 250 mL of the initial buffer. acceptable buffer range of the solution

Reference no: EM131344337

Questions Cloud

How does the money supply affect inflation : How does the Money supply affect inflation and Nominal interest rates? Explain. What is purchasing - power parity and how does it explain nominal exchange rates
Acceptable buffer range of the solution : b) Calculate the change in pH if 0.130 g of solid NaOH is added to 170 mL of this solution. c) If the is ±0.10 pH units, calculate how many moles of H3O+ can be neutralized by 250 mL of the initial buffer. acceptable buffer range of the ..
What are the equilibrium values of the real interest rate : What are the equilibrium values of the real interest rate, real exchange rate, consumption, investment, and net exports? Now suppose that full-employment output increases to 940. What are the equilibrium values of the real interest rate, real exchan..
Determine the chemical formula of this compound : Determine the chemical formula of this compound. The atomic weights of copper and antimony are 63.54 and 121.75 respectively
Explain how normal buffer system works : Explain how normal buffer system works? How would simply normal breathing increase normal Ph in buffer system?
Discuss disparities related to ethnic and cultural groups : Discuss disparities related to ethnic and cultural groups relative to low birth weight infants and preterm births. There are major disparities related to ethnic and cultural groups in relation to low birth weight infants and preterm births. The 20..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain diphosphorus pentoxide

Diphosphorus pentoxide(3.54g) has reacted with ferric oxide(5.45g).What is/are the mass/masses of the product/s obtained per reaction assuming 100%yield

  Explain we have no reasons to believe in witches

If there is no such evidence, then we have no reason to believe in witches. If there is evidence, we do have reason to believe in witches. There is no such evidence. Therefore we have no reasons to believe in witches.

  State buffer solution is prepared by adding mole of ammonia

A buffer solution is prepared by adding 0.20 mole of ammonia and 0.30 mole of ammonium chloride to enough water to make one liter of solution. Ka = 5.7 x 10-10 for ammonium.

  Calculate ph of solution for kht

Question- Given heats of formation of solid and aqueous KHT as (-1545 kJ/mol) and (-1497 kJ/mol) respectively, calculate pH of solution for KHT

  State hexane and ethyl alcohol

A) aqueous naoh and ch3ch2co2h B) aqeous naoh and c6h5so3h c) ch3ch2Li in hexane and ethyne d) ch3ch2Li in hexane and ethyl alcohol

  Explain what will be the temp of the water when equilibrium

a specific heat of 0.061 cal/g C and at a temp of 99.1C is added to 85.0 grams of water at 23.5C What will be the final temp of the water when equilibrium is reached?

  Compute the density of dry air and molar mass

Compute the density of dry air and molar mass at zero degree Celsius temperature and 1.0 atm of pressure.

  Determine the density of a plastic piece

A student wants to determine the density of a plastic piece. Preliminary experiments indicate that the density of the plastic is greater than 0.85 g/ml, but less dense than water. In order to determine the density of the plastic piece, the student wi..

  Calculate the molarity of kio3 in the solution

A solution contained KIO3 and excess KI. 25 cm3 of this solution were acidified and the liberated I2 required 26.8 cm3 of 0.1 M Na2S2O3 for complete recaction.

  Explain the second-order rate constant for the decomposition

The second-order rate constant for the decomposition of nitrous oxide (N2O) into a nitrogen molecule and oxygen atom has been measured at different temperatures given below.

  Question what is the rate of the following reaction ms if

question what is the rate of the following reaction ms if the rate constant for the reaction is 0.800 lbullmol-1bulls-1

  Determining the zinc-lead sulphide

Zinc may be directly leached from zinc-lead sulphide concentrates by reaction with sulphuric PbS(s) + H2SO4 + 1 O2(g) → PbSO4(solid) + S° + H2O 21

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd