Determine the ph change

Assignment Help Chemistry
Reference no: EM131899267

Part 1.

A buffer solution contains 0.318 M NaH2PO4 and 0.241 M Na2HPO4. Determine the pH change when 0.080 mol NaOH is added to 1.00 L of the buffer.

pH after addition - pH before addition = pH change = ________

Part 2.

A buffer solution contains 0.375 M C6H5NH3Br and 0.372 M C6H5NH2 (aniline). Determine the pH change when 0.090 mol NaOH is added to 1.00 L of the buffer.

pH after addition - pH before addition = pH change = _______

Reference no: EM131899267

Questions Cloud

Define consumer credit application : Define a consumer credit application and explain the aspects that should be considered to differentiate between consumer credit application
Application of the combustion reaction in our society : What is the single most important application of the combustion reaction in our society
Dozen atoms of xenon : How many dozen molecules of xenon tetroxide can you make if you mix 450 dozen molecules of oxygen and 350 dozen atoms of xenon
Estimate of the atomic mass of the naturally : A (18% abundance, atomic mass 336.7 u). The best estimate of the atomic mass of the naturally occurring element A is:
Determine the ph change : Determine the pH change when 0.090 mol NaOH is added to 1.00 L of the buffer.
Agricultural products for burgeoning asian consumer market : Rotorua Products, Ltd., of New Zealand markets agricultural products for the burgeoning Asian consumer market.
What gives rise to the currency exposure at aifs : What gives rise to the currency exposure at AIFS?What would happen if Archer-Lock and Tabaczynski did not hedge at all?
Create a website that reflects your professional persona : create a website that reflects your professional persona, including a personal statement about your career goals and capabilities, your personal branding speech
Which of the given describes a barrier to entry : What is the difference between perfect competition and monopolistic competition? Which of the following describes a barrier to entry?

Reviews

Write a Review

Chemistry Questions & Answers

  What is methanols vapor pressure

What is methanol's vapor pressure It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. at 22.0 °C?

  Explain acetone is reacted with benzaldehyde

If 450g of acetone is reacted with 650g of benzaldehyde and it yields 350g of the product what is the percent yield? Show your calculations.

  State the heat of vaporization of water

If this energy were used to vaporize water at 100 C , how many grams of water could be vaporized. The heat of vaporization of water at 100 C is 40.7 kJ/mole

  Evaluate the de broglie wavelength of a helium atom

Calculate the de Broglie wavelength of a Helium atom moving at a speed of 244.0 m/s.

  Compute assuming that initial concentration

Estimate the equilibrium constant for the weak base C6H5CH2NH2, if a 4.53×10-1 M aqueous solution of C6H5CH2NH2 has a pOH 4.84 (make an exact calculation assuming that initial concentration

  Explain dilution for mountain dew soda

another part says spectra of caffeine, benzoic acid, and a mountain dew sample in 0.10 M HCl. On a graph it has the points 8.74 mg/L for benzoic acid, 1.5 dilution for mountain dew soda,

  Compute the ph at the equivalence point barbituric acid

Calculate the pH at the equivalence point if 25.00 mL of 0.010 M barbituric acid (HC4H3N2O3) is titrated with 0.20 M NaOH. (Ka barbituric acid = 1.0 x 10^-5).

  How many grams of kno3 were present in original sample

After the reaction was complete, the solid residue, consisting of KNO2 and the original impurities, had a mass of 24.1 g. Assuming that only the potassium nitrate had decomposed, how many grams of KNO3 were present in the original sample? Answer i..

  Explain many drugs are high-molecular-weight amines

Many drugs are high-molecular-weight amines that are weak bases. Such amines are not soluble in water, which limits the ways they can be administered and means that they are not soluble in body fluids such as blood plasma and cerebrospinal fluid

  Define how many grams of l-alanine did the original solution

A solution of L-alanine (400 ml) is brought to pH 8 and treated with excess formaldehyde. The solution now requires 250 ml of 0.2M NaOH to titrate it back to pH 8. How many grams of L-alanine did the original solution contain

  State element is bombarded by photons of various energies

A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each photon to the result of its absorption (or lack thereof) by an n=1 electron.

  How is the solubility of manganeseii sulfide affected by

consider the dissolution of mns in water ksp 3.0 times 10-14.nbspmnss h2ol mn2aq hs-aq oh-aqhow is the solubility

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