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A student who is performing this experiment pours an 8.50 mL sample of the saturated borax solution into a 10 mL graduated cylinder after the borax solution had cooled to a certain temperature T. The student rinses the sample into a small beaker using distilled water, and then titrates the solution with a 0.500 M HCl solution. 12.00 mL of the HCl solution is needed to reach the endpoint of the titration.Calculate the value of Ksp for borax at temperature T.
Calculate the formula weight of CuSO4 . Use the following atomic weights: Cu is 63.5463 g/mol, S is 32.0666 g/mol, and O is 15.99943 g/mol. Your reported answer should have the correct number of significant figures and units.
Calculate the molarity of a solution after adding 5mL of tert-butyl chloride to a 100mL volumetric flask and add acetone for a total volume of 100mL.
By plotting these data in a suitable fashion, determine whether the Clausium-Clapeyron equation is accurate. If so, use your plot to determine ΔHvap for C6F6.
Perform the following mathematical operations, and express each result to the correct number of significant figures. 0.19*6.022*10^23
solution from a rebuilt auto baattery. How many milliliters of 1.4M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
Consider the following reaction, equlibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO3(g)
If the volume of ocean water 5.4*10^20) contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.86 g/mL, calculate the total mass of sodium chloride.
What is the pH change of a 0.200M solution of citric acid (pKa=4.77) if citrate is added to a concentration of 0.175M with no change in volume?
How would (The weak base sample was impure, containing about 5% inert material) affect the values of Ka for the weak acid unknown and the values of the molar mass for the disodium salt
Calculate the pH of a solution prepared by dissolving 18.32 grams of benzoic acid and 43.23 grams of sodium benzoate in water sufficient to yield 1.00 L of solution.
What is the theoretical yield in grams? What is the theoretical yield in moles? (I already have the calculated amounts of reactants) Just need theoretical yields.
Suppose you were asked to carry out an aldol condensation reaction between benzaldehyde and 5-methylhexanal, modeled after the experiment you performed with benzaldehyde and acetone.
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