How much will the ph change

Assignment Help Chemistry
Reference no: EM13170282

A beaker with 165 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 8.20 mL of a 0.440M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.

Reference no: EM13170282

Questions Cloud

How many grams of carbon dioxide will form : If 1.00 g sodium bicarbonate and 1.00 g citric acid are allowed to react, how many grams of carbon dioxide will form?
What is the mass of a cube of lead : The mass of a cube of iron is 338 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Bodily systems : Design a reference guide that you can use in the future to quickly identify the bodily systems. You will need to create a three-column table that will list the bodily system, what organs and components make up that system, and at least seven disorder..
What is the approximate molar mass of the metal : A metal sample weighing 40.0 g and at a temperature of 99.1 C was placed in 38.6 g of water in a calorimeter at 25.0 C. The calorimeter reached a maximum temperature of 32.8 C.
How much will the ph change : How much will the pH change? The pKa of acetic acid is 4.760.
Calculate the standard enthalpy of reaction : calculate the standard enthalpy of reaction C6H6 (I) +3H2 (g)® C6H12 (I) from standard enthalpies of combustion of substances.
What is the specific heat for the metal : It takes 48.0 to raise the temperature of an 9.10 piece of unknown metal from 13.0 to 25.0. What is the specific heat for the metal?
Idea of the scientific method changed : How has your idea of the scientific method changed, given the look into both the way that ideas change and the way that real people doing science behave.
What color will the cobalt compound appear : If the crystal field splitting (Δo) is 3.44×10-19 J for a cobalt compound, what wavelength of light (in nm) is absorbed when an electron from a lower energy d orbital is promoted to a higher energy d orbital? What color will the cobalt compound ap..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain hybrid electric vehicle

a hybrid electric vehicle, has an EPA gas mileage of 52 mi/gal in the city. How many kilometers can the Prius travel on 15 liters of gasoline?

  What is the solubility of aucl at this temperature

For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?

  State what are the equilibrium partial pressure of h2

What are the equilibrium partial pressure of H2 when equilibrium is reestablished following the addition of 0.200 mol of HI?

  Calculate the new volume of a 7.0liter balloon

Calculate the new volume of a 7.0Liter balloon if the pressure is reduced from 1.0 atmosphere to 0.80 atmosphere (assume the temperature remains constant)

  Determine the heat released

determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;

  What is the concentration of cl-

Three solutions 61.0 mL of 0.2 M KNO3; 63.0 mL of 0.3 M Ca(NO3)2; and 69.0 mL of 0.385 M KCl were poured together to make one new solution.

  What is the volume in liters of the no2 produced

Consider the formation of nitrogen dioxide from nitric oxide and oxygen:  2NO(g) + O2(g) -> 2NO2(g) If 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?

  How many milliliters of 0.55m ni(no3)¬2 are needed

Nickel nitrate and potassium carbonate react to form nickel carbonate and potassium nitrate. How many milliliters of 0.55M Ni(NO3)¬2 are needed to react with 85 mL of 0.25M K2CO3? First, write a balanced equation.

  How long would it take for the reaction to be 95% complete

The first order reaction SO2CL2 yields SO2+ Cl2 is 10% complete in 80 min. How long would it take for the reaction to be 95% complete?

  Calculate the rate constant at 18 oc

A first order reaction has an activation energy of 65.7 kJ/mol and a frequency factor (Arrhenius constant) of 2.36 x 1013 sec -1. Calculate the rate constant at 18 oC

  How many moles of a monoprotic acid must dissolved

How many moles of a monoprotic acid with a Ka=4.9x10^-6 must be dissolved in 750 ml of H2O to produce a solution with pH=4.50

  Calculate the molecular formula of the compound

The analysis of this compound shows that it contains 41.8 percent C, 4.7 percent H, 37.3 percent O, and 16.3 percent N. Calculate the molecular formula of the compound.

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