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Identify the atom with the ground-state electron configuration shown for its valence shell.
calculate the molarity of a solution of glycerol made by dissolving 50.000 glycerol at 15 in enough water to make
If K sub a is 1.85 x 10^-5 for acetic acid, calculate the ph at one-half the equivalence point and the equivalence point for a titration of 50 ml of 0.100 M NaOH.
The period of revolution of the satellite around the planet is T = 2.65 hours. What is the average density of the planet?
Erythro-2,3-dibromo-3-phenylpropanoic acid undergoes eliminiation by an E1 pathway in water solvent (Part A conditions),
What ratio of concentrations of the molecular base you chose in part a and its conjugate acid would be necessary to achieve a pH of exactly 9.00
1.0678g of a standard iron(ii) ammonium sulfate, (NH4)2Fe(SO4)2. 6H202 requires 35.50mL of permanganate solution for titration. calculate the molary of the permanganate solution.
The density of the unknown is 0.714g/mL. The Kf of nitrobenzene is 6.87 ^0C/m. Calculate the molar mass of the unknown.
A 2.01 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
This was allowed to react under reflux for an hour and then the products seperated. I wrote out a mechanism before lab and ended up predicting 4-chlorobenzoic acid and 4-chlorophenol as my final products.
The endpoint in the titration is "overshot" A. is the reported molar concentration of the hydrochloric acid solution too high or too low. B. As a result of this poor titration technique, is the reported number of moles of B4O5(OH)4^2 would be too ..
Ice has the strange property of a melting point that is lowered by increasing pressure. If this is the reason we can skate on ice would a 75-kg skater whose skates contact the ice with an area of 0.1cm2 be able to skate at -3C
A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.
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