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In lab, you titrate a standard solution of sodium hydroxide with an unknown solution of acetic acid. You make the standard bydissolving 25.0 g of solid sodium hydroxide in 500.0 ml ofsolution. During the titration you use 26.0 ml of the acid and 19.3ml of the base.
A. What is the concentration (in M) of the standard solution (the base)?
B. What is the concentration (in M) of the acetic acid?
C. What is the pH of the standard solution BEFORE you start the titration?
If an electrode has a potential of -1.004 V with respect to a saturated calomel electrode, what is the potential with respect to a silver-silver chloride electrode (with saturated KCl)
At 46 C a sample of ammonia gas exerts a pressure of 4.27 atm. what is the pressure when the volume of the gas is reduced to one-fourth of the original value at the same temperature
Find the equilibrium concentrations of A and B for a=2 and b=1. Assume that the initial concentration of is a= 1.0 and that no b is present at the beginning of the reaction. Consider the following reaction and associated equilibrium constant:
The partial pressure of carbon dioxide is 675 mm Hg. If argon gas added to the mixture causes the total pressure to become 2410 torr, what is the partial pressure of argon? Report your answer in atm.
Specificy which ion you would add to the unkown and how the results would identify which compound is in the unknown.
A 52.2 mg portion of tri-protonated arginine is disolved in 995.5ml of distilled ,deionized water. then 4.5mls of 0.15N NaOH is added . what is the pH of the resulting 1 litter solution
On forming the nuclide from the protons, neutrons and electrons, the mass loss per nucleon for the is 0.00759 amu, whereas that for is 0.00944 amu. This means that:
The solubility of a slaked lime, Ca(OH)2, in water is .185g/100mL. What volume of .00400 M HCl is needed to neutralize 10.0mL of a saturated Ca(OH)2 solution
What will be the effect on your final %carbonate if a drop of HCl is spilled, and is not delivered to the test tube? Explain reasoning.
Identify the following salts as neutral acidic or basic: 1. LiNO3 2. SrBr2 3. LiF 4. KCN 5. NH4ClO4 6. NH4Br 7. NH4CN Please include why are they neutral basic or acidic.
Calculate the equilibrium constant at 0c and at 50c(assuming enthalpies of formation are independent of temp)
Equilibrium constant Kc for the reaction: H2 (g) + CO2 (g) - H2O (g) + CO (g) a) in one experiment, a container is introduced in a mixture formed by the four shown in the reaction gases.
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