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If 10.6 ml of (±)-a-phenylethylamine (MM=121.2 d=.94) are reacted with .083moles of (+)-tartaric acid then:
a) How many grams of solid NaOH (MM=40.0) are needed to convert the(-)-amine diastereomeric salt into its free amine?
b) How many mL of a 2.5 M NaOH solution are needed to convert the(-)-amine diastereomeric salt into its free amine?
when carbon is burned in the presence of oxygen the carbon and oxygen combine to produce carbon dioxide. if you start
A 25.0-mL aliquot of vinegar was diluted to 250 mL on a volumetric flask. Titration of 50.0-mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) ..
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
what is the mole fraction of each componet in solution? ethanol, methanol, water.
What minimum mass of succimer in milligrams is needed to bind all of the lead in a patient's bloodstream. Assume that patient blood lead levels are 0.530 mg/L , that total blood volume is 5.0 L , and that 1 mol of succimer binds 1 mol of lead.
Ionizable protons are in rapid equilibrium and so you can think of an amino acid having a relative charge between 0 and 1. Plot the relative charge of glutamate as a function of pH
Write the balanced molecular equation for the combustion of methanethiol in an excess supply of oxygen.
For a current of 360 A at 3.67 V, how much electrical energy (in kw-hr) is consumed in the production of 1 kg of aluminum? (A kW-hr is 3.6 x106 J.)
A 130.0 mL sample of a solution that is 2.7×10?3 M in AgNO3 is mixed with a 230.0 mL sample of a solution that is 0.11 M in NaCN. After the solution reaches equilibrium, what concentration of Ag+ (aq) remains?
find the rate of the reaction.c2h4gnbspnbspnbsp o3gnbsp harrnbspc2h4ognbsp nbsp o2ga. the concentration of
A vessel containing saturated vapor steam at 175 C is cooled to 40 C. The total mass of its contents is 450g. Determine the final volume of liquid water in the vessel.
Consider various salts of octahedral complexes of Pt(IV) which, per mole of Pt(IV), contain one mole each of the bidentate ligands en and oxalate ion (ox) in the "1st coordination sphere" and, as possible monodentate ligands, SO4 2- and/or NC- and..
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