User Account

All Pages

What is the ph change resulting from the addition

Assignment Help Chemistry
Reference no: EM131895422

A buffer solution of volume 100 mL is 0.151 M Na2HPO4(aq) and 0.185 M KH2PO4(aq). What is the change in pH resulting from the addition of 70.8 mL of 0.01 M NaOH(aq) to this buffer solution?

What is the pH change resulting from the addition of 5.6 mL of 0.8 M HNO3(aq) to the initial buffer solution?

Reference no: EM131895422

Questions Cloud

Identify and explain choices for reductions and increase : Identify and explain your choices for reductions and increases. Discuss at least two lessons you learned about the challenge of balancing the federal budget.
Placing atoms on grid and connecting them with bonds : Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
Summarize the main points of the selected articles : The purpose of this assignment is to research one of the topics you have covered in this course.
What is your perspective on people making presentations : What is your perspective on people making presentations? What makes them enjoyable to view? Do you like making presentations?
What is the ph change resulting from the addition : What is the pH change resulting from the addition of 5.6 mL of 0.8 M HNO3(aq) to the initial buffer solution?
Initial molar concentration of nahso4 : How do you find the value of Ka for NaHSO4 if you are given the concentration of H+ and the initial molar concentration of NaHSO4?
Assess the types of personality measurements : Assess the types of personality measurements and research designs associated with your assigned theorist, and describe how they have evolved.
A lake has been acidified to a ph of 4.046 : If the lake has a volume of 1.07×105 cubic meters, what mass, in kg, of CaO must be added to raise the pH to a value of 7.00?
Internal energy of the second piece of machinery : What is the change in the internal energy of the second piece of machinery once it has reached the roof? kJ.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain 4-cation solutions on the chromatographic paper

Problem- A student used a medicine dropper, instead of a toothpick, to spot the standard 4-cation solutions on the chromatographic paper.

  How many grams of kclo3 is needed to generate oxygen gas

Problem- Using the reaction that generates O2 shown below, how many grams of KClO3 is needed to generate 200.0 L of oxygen gas at 646 torr and 273 K? HINT: The molar mass of KClO3 = 122.55 g/mol. 2 KClO3(s) 2 KCl(s) + 3 O2(g)

  Compute the the heat of solution of naoh

Calculate molarity?if one mole of sodium hydroxide was dissolved estimate the number of calories that would be produced. (ΔHsolnNaOH)

  Calculate the concentration of nobr

The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.

  There are 3 main light components in turbid light

there are 3 main light components in turbid light mediaballistic photons snake photons and diffuse component. why

  Write a balanced equation for the combustion of ethanol

Question- Part1) Write a balanced equation for the combustion of ethanol, C2H5OH(l) in oxygen. Carbon dioxide is produced in the gaseous state, water in the liquid state. Part 2) The standard heat of combustion of ethanol is -1367 kJ/mol. Calculat..

  Define what percent of the first two ions to precipitate

When the third one to precipitate begins, what percent of the first two ions to precipitate still remain undissolved in the sol'n

  Compute the molar absorbtivity of the compound at wavelength

If a coordination compound absorbs in the visible region of the electromagnetic spectrum. Determined that a 0.0378M solution of this compound in a 3.41 cm cuvette has an absorbance maximum of 0.871 at 575 nm. Compute the molar absorbtivity of the ..

  Explain what is the alkalinity the ion concentration

Based on the given ion concentration for water below,what is the alkalinity (in mg/L as CaCO3)Note :the ion concentration s in the table below are NOT given in mg/l as CaCO3.

  If you wish to further purify this liquid after column

if you wish to further purify this liquid after column chromatography what techniques could you use? what would the

  Derive an expression for the time

Derive an expression for the time tc for complete conversion of ZnS in a particle of radius R. Sketch the radial profile of the concentration of O2

  Compute the energy of a photon in the balmer series

Compute the energy of a photon in the Balmer series that results from the transition n = 5 to n = 2. Explain what is the region of the electromagnetic spectrum. The Rydberg constant equals 2.180 x 10-18 J.

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