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A 24mL solution containing 8mM thiocyanate (SCN-) is titrated with a 6mM solution of silver (Ag+). Determine the concentrations of thiocyanate and silver free in solution at each of the titration volumes listed below:
a) 18mL before the equivalence point
b) At the equivalence point
c) 15mL past the equivalence point
How many grams of KCl are present in 250.0 mL of a 0.125 M solution? [Use formula weight: KCl, 74.55 g/mol]
Propose a step-by-step microscale extraction procedure that could be used to separate a mixture nitrobenzene, 4-methoxybenzoic acid, and benzylamine into the pure compounds using extraction technique. All of the molecules are organic-soluble in di..
A beaker with 165 mL of an acetic acid buffer with a pH of 5.000 is sitting on a bench. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.00 mL of a 0.390 M HCl solution to the beaker. How much will the pH c..
a certain first-order reaction is 66 percent complete in 65 seconds. Calculate the rate constant for this reaction
What would be a single reducing agent capable of reducing both the nitro and carbonyl groups of m-nitroacetophenone
What is the mechanism of the formation of 1-bromobutane from 1-butanol using H2SO4 and NaBr? Also, how are1-butene and di-n-butyl ether are formed
have the same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in details.
An aqueous solution of weak base B of unknown concentration is titrated with a known concentration of acid, HA. Write the balanced chemical equation for this acid-base
How many mL of 0.25 N of NaOH will be used to titrate 0.348g of primary standard KHP, C6H4COOK . COOH?
What is the volume of one mole of hydrogen gas at 273 K and 760 torr? What is the volume of one mole of oxygen gas under the same conditions?
a gas is contained in a 5.0 l container at a pressue of 100kpa. what size container would be required to contain the
A solution is prepared by dissolving 17.75 g Sulfuric acid (H2S04;MW = 98.0g/mol) in 93.2 g of water. If the density of the solution is 1.1094g/mL, what is the molarity of the sulfuric acid?
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