A student adds 490ml of a 0420m hcl solution to the beaker

Assignment Help Chemistry
Reference no: EM13595789

A beaker with 195mL of an acetic acid buffer with a pH of 5.000 is sitting on a bench. The total molarity of the acid and conjugate base in this buffer is 0.100M. A student adds 4.90mL of a 0.420M HCl solution to the beaker. How much will the pH change? (pKa of acetic acid is 4.760).

Reference no: EM13595789

Questions Cloud

Consider the reaction that describe the haber process for : consider the reaction that describe the haber process for the production of ammonia nh3n2g3h2g lt---gt 2 nh3 g for
A sample of naphthalene which should be pure white was : a sample of naphthalene which should be pure white was found to have a grayish color after the usual purification
The purchasing department buys the quantities of raw : stromski corporation manufactures a single product. the standard cost per unit of product is shown below. direct
Decision making across the organization byp2-4 lisa ortega : decision making across the organization byp2-4 lisa ortega is president of ortega riding academy inc. the academys
A student adds 490ml of a 0420m hcl solution to the beaker : a beaker with 195ml of an acetic acid buffer with a ph of 5.000 is sitting on a bench. the total molarity of the acid
During the current year carl equipment stores had net sales : 1.during the current year carl equipment stores had net sales of 600 million a cost of goods sold of 500 million
A bond issued by cornwallis inc 15 years ago has a coupon : a bond issued by cornwallis inc. 15 years ago has a coupon rate of 7 and a face value of 1000. the bond will mature in
The trucks will have a useful life of seven years to raise : the diamond freight company has been offered a seven-year contract to haul munitions for the government. because this
If you knew an electron transfer center in a protein had a : if you knew an electron transfer center in a protein had a reduction potential of -400 mv what would be the most likely

Reviews

Write a Review

Chemistry Questions & Answers

  The density of gas phase at that point was found to be

elemental sulphur occurs in the solid state as 8-membered rings arranged in rhombohedral crystal structure s8 which

  Explain at what ph will precipitation of al(oh)3 begin

At what pH will precipitation of Al(OH)3 begin if 5.40 lb of aluminum sulfate, Al2(SO4)3, is added to 1150 gallons of water (with a negligible change in volume)

  Explain container is filled with an ideal gas to a pressure

A container is filled with an ideal gas to a pressure of 40.0 atm at 0 degrees C. a. What will be the pressure in the container if it is heated to 45 degrees C?

  Evaluate the molar mass of the substance

An element forms a body-centered cubic crystalline substance. the edge length of the unit cell is 287pm and the density of the crystal is 97.92 g/mL. calculate the molar mass of the substance.

  Explain the mercury in the tube connected to the tank

When the atmospheric pressure is 1050 , what is the absolute pressure (in ) in the tank if the height of the mercury in the open tube is 25.0 higher than the mercury in the tube connected to the tank

  Explain what is the driving force for losing a proton

What is the driving force for losing a proton as the last step in electrophilic aromatic substitution

  Explain the percent yield for the reaction of 3na2s

How many mL of .200 M FeCl3 are needed to react with an excess of Na2S to produce 2.75 g of Fe2S3 if the percent yield for the reaction is 65%? 3Na2S + 2FeCl3 = Fe2S3 + 6NaCl

  Define species is resonance an important property

For which of the following species is resonance an important property: HONO, HONO2, N3-, NO2-, NO2

  Explain the absorption of the standard solution

This results in the formation of the highly colored FeSCN2+ complex ion. To do this analysis, a standard solution containing 5.00x10^-5 M Fe3+ was prepared. After addition of excess SCN-, the absorption of the standard solution =0.363 at 580 nm.

  Explain what will the pressure in the ball

A football is inflated to a pressure of 1.00 x 10^3 torr in a room at 25 degrees C. If the game is played at 10 degrees C, what will the pressure in the ball be, neglecting any volume change in the ball and assuming that it doesn't leak?

  Explain what is the molecular formula and structure

What is the molecular formula and structure? Also what does its infrared spectrum and NMR spectrum show?

  Define the solution of riboflavin from a stock solution

Determine how you would make a 100ppb solution of riboflavin from a 50mg/L stock solution. Do the same for preparation of a 500ppb solution from a 50mg/L stock solution

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