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Use the Henderson-Hasselbalch equation to perform the given calculations, compute the volume of the 0.500 M acetic acid and the volume of deionized water necessary to make 60.0mL of 0.250 M CH3COOH . The Ka of acetic acid = 1.8 × 10-5..also: estimate the mass of solid sodium acetate required to mix with 60.0 mL of 0.250 M acetic acid to prepare a pH 4 buffer.
What is the molarity of the Na2S2O3 solution if a 0.150 g sample of KIO3 required 10.7 mL of Na2S2O3 solution for its standardization?
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 2.5-cm rainfall of pH 2.00 over an area of 100 square kilometers?
What mass of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid] = 2.0 M and [acetate] = 1.0 M in order to produce a solution
copper has a specific heat of 0.092 calgmiddotdegc. when 52.7 cal of heat is added to a piece of copper the temperature
A 1.70-g sample of a large biomolecule was dissolved in 14.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
In the series HF, HCl, HBr, HI, which is the strongest acid?
Using the Henderson-Hasselbach equation, calculate the volume of 0.10 M Na2HPO4 and 0.10 M NaH2PO4 that would be required to make 100.0 mL of a 0.10 M (total phosphate concentration i.e. HPO4 + H2PO4) buffer with a pH of 6.91.
A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.
Explain PH and Biochemistry, Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98) needed to prepare 1L of a standard buffer at pH 7.00, with a total phosphate concentration of 0.100..
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
A commercial plant is to treat 320 m3/hr of feed consisting of 50 % A, 50% inerts at 25 atm and 350ºC to obtain eighty percent conversion. Determine how many 2-m lengths of 2.5 cm ID pipe are required?
How would one synthesize 1,3-dibromo-2-methoxy-5-nitrobenzene starting with benzene
analyze the societal implications of using this process
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