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If you mix 10 mL of a 0.1 M HCl solution with 8 mL of a 0.2 M NaOH solution, what will be the resulting pH? If a weak acid, HA, is 3% dissociated in a 0.25 M solution, calculate the Ka and the pH of the solution.
The initial state of a gas is pressure =0.80, temperature =45 degree celcuis, volume=1.4 liters. The conditions were changed to pressure=0.76atm, volume=1.4liters, the new temperature is
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added Va= 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL
solution requires 14.45 mL of 1.00 M NaOH for titration. How many molesof HCl are present in the solution? The density of 3 M HCl is 1.05 g/mL
describe one or more simple chemical tests that would distinuish acetaminophen from ibuprofem
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
In the reaction below, 4.86 atm each of H2 and Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) 2 HCl(g) Given that Kc = 89.9, calculate the equilibrium pressure of HCl.
Prepare a standard of lidocaine in methanol with a final concentration of 1.00 mg/mL using the powder lidocaine/HCl. Show the calculations and explain how you take the salt form into account.
A 2.0 milliliter sample of KOH solution is neutralized by 4.0 milliliters of a 3.0 M HCl solution. What is the concentration of the KOH solution
When ammonia is added to nickel ions in aqueous solution, the water molecules bound to the Ni2+ are replaced by ammonia molecules.
The density of acetonitrile is 0.786 , and the density of methanol is 0.791 . A solution is made by dissolving 21.0 in 98.5
The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene
A water soluble salt forms a precipitant during the group 3 analysis. An acidic solution of this precipitant and NaBIO3 yields a pinkish color. This same salt has no reaction to BaCL2
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