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What is the fraction of association for the following potassium propionate solutions? The Ka of propanoic acid is 1.34 × 10-5.
(a) 5.00 × 10-1 M K(C2H5CO2)
(b) 5.00 × 10-2 M K(C2H5CO2)
(c) 5.00 × 10-12 M K(C2H5CO2)
Concentrated acetic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion?
Calculate the amount of acid that would be left in the water solution after four 20-mL extractions with ether. Do the same calculation, using one 80-mL extraction with ether, to determine which method is more efficient.
Briefly explain how the calculated molar mass of HCL would be affected if the HCL-saturated cotton ball were placed in the tube the NH3-satureted cotton ball
200g of magnesium phosphate and 250.0g of copper bromide react, how much copper phosphate will be produced?
She records the final temperature of the water as 317K. What is the value of Ccal (calorimeter constant) for the calorimeter.
What is the half-life? b) How long would it take for the concentration of CH3CN to decrease to 25% of its initial value? c) To 12.5% of its initial value?
The annual production of zinc sulfide (ZnS) is 4.5 104 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal
Sample were collected in a zinc smelter to determine the exposure of a furnace tender to lead fume during his normal work duties which involves "furnace draws" and general activities around the furnace.
How many grams of commercial acetic acid (97% by mass) must be allowed to react with an excess of to produce 83 of acetyl chloride , if the reaction has a 81.2 yield?
Calculate tthe freezing point in centigrade units of a soluiton consisting of 685 grams of ethylene glycol dissolved
What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 (g/mL) for water.)
What is the density of gold if a ring with a volume of 2.656 cubic centimeters has a mass of 51.26 grams?
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