Define how many grams of sodium benzoate

Reference no: EM13236883

You are asked to prepare a pH = 4.0 buffer starting from 1.50 L of 0.0200M solution of benzoic acid (C6H5COOH) and an excess of sodium benzoate (C6H5COONa) .

What is the pH of the benzoic acid solution prior to adding sodium benzoate?

How many grams of sodium benzoate should be added to prepare the buffer? Neglect the small volume change that occurs when the sodium benzoate is added

Reference no: EM13236883

Questions Cloud

How can edision determine its assets dedicated to two class : Edision Electric Company's president has been arguing that residential electric rates need to be raised relative to industrial rates. His reason is that the rate of return that company earns on its assets is higher from its industrial customers

Explain what is the ph of the buffer after the addition : A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONA) in 1.20L. What is the pH of the buffer after the addition of 0.02 mol of HI

Describe does the federal court have jurisdiction : Henry, a resident of Nevada, sued Adam, a resident of Utah in the Federal Court in California. He sought $60,000 damages for personal injuries arising from an automobile accident that occurred in Los Angeles, California. Does the Federal Court hav..

Which technique better aligns to the workplace and why : One critical aspect of the skills that managers lack is planning. You have been asked by your manager to conduct a preliminary search of recommending the two most common types of contemporary planning techniques-project management and scenario pla..

Define how many grams of sodium benzoate : How many grams of sodium benzoate should be added to prepare the buffer? Neglect the small volume change that occurs when the sodium benzoate is added

What is the kinetic energy of each electron : An electron beam is deflected upward through 3.23 mm while traveling in a vacuum between two deflection plates 11.6 mm apart, What is the kinetic energy of each electron when it leaves the space between the plates

How to calculate the ph of the buffer : A lactic acid/lactate ion buffer solution contains 0.29 M hc3h5o3 and 0.80 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4X10^-4. Calculate the pH of this buffer.

Set up the lagrangian and find the optimal consumption : John has a weekly endowment of 140 dollars that he spends on buying games (G) and music cds (M). The price of each game is 30 dollars, the price of each cd is 20 dollars. He can buy any amount of the two goods that satisfies the budget

What is the specific volume and mass of the air sample : Consider an insulated enclosed volume of 27m^3 containing dry air at 23 degrees celsisus and 980mb, What is the specific volume and mass of the air sample

User Account

All Pages