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Presume you have just added 200.0 ml of a solution containing 0.5000 moles of acetic acid per liter to 100.0 ml of 0.5000 M NaOH. Explain what is the final pH? The Ka of acetic acid is 1.770 ×10-5.
In the first step of the synthesis of PABA, why was it necessary to add sodium acetate to have reaction of p-toluidine with acetic anhydride?
You are titrating an unknown acid with a 0.228M NaOH standard solution. It requires 19.1 mL of the NaOH solution to reach the endpoint of the titration.? How many moles of H+ reacted with the OH- from the NaOH in the titration
Amoxicillin is an important antibiotic. It can be obtained by an enzyme catalyzed reaction in aqueous solution. To ensure product stability and enzyme activity, you need to run the reaction in a buffer system at a pH of 7.30. a) Using the list pro..
The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 x 10-3 min-1. How long will it take for the concentration of H2
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
you want to make an acetic acidacetate buffer ph 5.6 with a volume of 250 ml and a final concentration of acoh aco-
Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
A sample of 57 grams of H 2 O with a temperature of sixteen degree celsius is combined to 260 grams of H2O at 90 degree celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
q1. which type of intermolecular attractive force operates between a. all molecules b. polar molecules c the hydrogen
solving this question helps the student to understand how to find molecularnbsp formula using empirical formula and
1 mol of oxygen gas is confined to a 6 l vessel at a pressure of 6 atm. avogadros number is 6.02214times1023 1mol. the
Atom A loses 1 electron and atom B gains 2 electrons. What formula results if these two ions combine to produce a neutral compound
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