How much in grams of the buffer benzoic acid would you add

Assignment Help Chemistry
Reference no: EM13345271

You prepare a buffer solution by dissolving 1.77 g each of benzoic acid, HC7H5O2, and sodium benzoate, NaC7H5O2, in 900.0 mL of water.The pH of the buffer is 4.19. How much (in grams) of the buffer (benzoic acid), would you add to the 900.0 mL of buffer to change its pH to 3.83?

Reference no: EM13345271

Questions Cloud

Calculate the pressure in pascals and atmospheres exerted : calculate the pressure in pascals and atmospheres exerted by a mass of 1.0 kg pressing through the point of a pin of
If 162 of wet is collected over water at 24 and a : if 162 of wet is collected over water at 24 and a barometric pressure of 736 how many grams of have been consumed? the
How do you draw the standard form simulation diagram given : 1 what are the exact form of the equations for the 2nd-order step response for the underdamped critically-damped and
A balloon behaves so the pressure is p c2v13 c2 100 kpam : a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
How much in grams of the buffer benzoic acid would you add : you prepare a buffer solution by dissolving 1.77 g each of benzoic acid hc7h5o2 and sodium benzoate nac7h5o2 in 900.0
A balloon behaves so the pressure is p c2v13 c2 100 kpam : a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
If 162 of wet is collected over water at 24 and a : if 162 of wet is collected over water at 24 and a barometric pressure of 736 how many grams of have been consumed? the
A balloon behaves so the pressure is p c2v13 c2 100 kpam : a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
A majority function is generated in a combinational : a majority function is generated in a combinational circuit when the output is equal to 1 if the input variables have

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the molar mass of the vapor in the flask

From the time the mass of the flask is first measured until the time it is finally measured, it is handled a number of times with oily fingers. Does this lack of proper technique result in the molar mass of the vapor in the flask being reported as..

  Calculate the percentage of cl in a sodium hypochlorite

Calculate the percentage of chlorine in a sodium hypochlorite powder (disinfectant for pools) if 5.0 kg of powder gives off 2.3 kg of chlorine.

  Explain separate a mixture of ethyl acetate and aspirin

Provide a Diagram of a lab setup that can be used to separate a mixture of ethyl acetate and aspirin (a solid organic compound).

  Describe how you would separate the two substances

Suppose you have a mixture of 2 substances. You know one of the substances is either 2-chlorobenzoic acid or diphenyl acetic acid. The second substance is either p-dibromobenzene or acenaphthylene.

  Find the unknown gas

A sample of neon effuses from a container in 79 seconds. The same amount of an unknown noble gas requires 161 seconds.

  Explain combustion reaction to producee calcium hydroxide

Calcium Oxide reacts with water in a combustion reaction to producee calcium hydroxide: CaO(s) + H2O(l)----> Ca(OH)2(s)

  Explain a solution without precipitating mg(oh)2

A solution contains .60 M NH4OH and 1.5 M NH4Cl. what is the maximum concentration of Mg2+ that can be present in such a solution without precipitating Mg(OH)2

  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?

  Compute the heat evolved

Considering given equation as P4(s) + 5 O2(g) P4O10(s) where ΔH = -3013 kJ/mol you just need to compute the heat evolved when 436 grams of white Phosphorous (P4)burns in air according to the given equation as above.

  Explain a simplified equation for rusting

Although the actual process also requires water, a simplified equation for rusting (rust is shown as Fe2O3) is 4Fe(s) + 3O2(g) => 2Fe2O3(s) ?Hrxn = -1.65 x 103 kJ How much heat is evolved when 0.100 kg of iron rusts

  What is the final temperature of gold upon absorbing

Suppose that 24 of each of the following substances is initially at 29.0. What is the final temperature of gold upon absorbing 2.30 of heat?

  What would be the stoichiometric ratio

suppose the experiment was done with 1.0m H3PO4 as the acid. What would be the stoichiometric ratio, mol H3PO4/mol NaOH at the intersection of ascending and descending portions of the graph?

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