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Thiamine hydrochloride (C12H18ON4SCl2)is a water soluble form of thiamine (vitamin B1; Ka=3.37 X 10^-7).How many grams of the hydrochloride must be dissolved in 10.00 mLof water to give a pH of 3.20?
If a sample of the dibrominated product was placed in a polarimeter, what would be the result
Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C?
What is the absolute pressure when the mass of the substance on a dead weight gauge is 20 kg, and the inner diameter of the cylinder is 2 cm? Assuming the g=9.82 m/s2 and the atmosphere pressure is 745 torr
Determine how many of the isomers will have a parent name of heptane. (I know the answer is 3, but is there a formula to easily figure it out or how do you go about knowing when you've drawn enough molecules to determine
What volume of 0.22 M FeCl3 (mL) should be diluted to 440 mL to make a solution containing .017 M Cl-
When 5.88 g of CaO (s) is completely dissolved by HBr (aq), how many grams of calcium bromide are formed in solution
When 5.89 grams of an CCl4, a nonvolitile, noneelectrolyte is added to a 250 grams of unknown solvent the freezing is depressed by 0.75 degrees Celcius
How many grams of sodium benzoate should be added to prepare the buffer? Neglect the small volume change that occurs when the sodium benzoate is added
At what pressure does the mean free path of argon at 25C become comparable to the size of 1dm^3 vessel that contains it? take ?=.36nm^2
A solutions of hydrochloric acid was formed by dissolving 1.52g of hydrogen chloride gas in enough water ti make 24.1 mL of solution. what is the concentration in percent (m/v) of solution
Trans-bis(ethylene) dithiocyanato copper (II) cobalt forms three linkage isomers. write each structural formulas and name each isomer
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
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