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A 0.8500 gram sample containing KHC8H4O4 was dissolved in approximately 50 ml of water. This resulting solution required 28.50 ml of the NaOH solution that was morality from where the answer was 0.095M to neutralize it. Explain what percentage of the solid sample was pure KHC8H4O4? The formula weight of KHP is 204.22 g/mol.
What volume of ethanol is contained in 35mL (1 fl. oz) of 86 proof liquor, which contains 43%v/v ethanol. *30 mL ethanol *43 mL ethanol *15 mL ethanol *37 mL ethanol
What is the percentage purity of your ldh column fraction? 2. How many total mg of ldh are there in your column fraction?
an aqueous solution with an added unknown compound has a boiling point of 106 c. glucose was added to the solution and
From its electronic configuration, predict which of the first 10 elements would be most similar in chemical behavior to the as yet undiscovered element 170.
For each molecule, identify the central atom, the steric number on the central atom, the number of bonded electron pairs on the central atom, and the number of lone pairs on the central atom.
Bloom Booster, a fertilizer used for enhancing the blooms of flowering plants, is labeled 15-25-10 (% mass nitrogen-% mass phosphorous-% mass potassium). Calculate the number of moles of phosphorous, P, in 19.25 grams of this fertilizer.
What volume of 0.25 M HCl solutions must be diluted to prepare 1.00 LK of 0.040 M HCl?
Why does G always decrease as you move towards equillibrium no matter what concentrations of product and reactant you start with. or does it always decrease
how far away from equilibrium is the concentration of ADP and ATP in the cell? Answer A. equal B. slightly different C. greater than two orders of magnitude different D. greater than 6 orders of magnitude different E. greater than 12 orders of mag..
What is the volume percent of a solution prepared by dissolving 34 g of NaOH in enough water to make a final volume of 120 mL? Show your work. part b: How many mL of a 10% solution can be made from the solution in part a
Calculate the mass of potassium hydrogen phthalate, KHC8H4O4 (MM is 204.2 g/mol) needed to react completely with 20 mL of 0.1 M NaOH solution.
although acetanilide and phenacetin are not appreciably acidic acetaminophen like aspirin is a stronger acid than
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