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one useful method for recycling scrap aluminum converts some of it to common alum potassium aluminum sulfate
calculate the fraction of asp that has a side chain protonated at ph 70 aspartic acid side chain pka
a particular gaseous hydrocarbon that is 827 c and 173 h by mass has a density of 236 gl at 21 degress c and 749mmhg
draw the structures of all monofluoro derivatives of methylcyclopentane c6h11f which have the fluorine on a tertiary
a mixture of ethanol and 1-propananol behaves ideally at 36c and is in equillibrium with its vapor if the mole fraction
the solubility of co2 in water at 25c at 1 atm is 0034moll what is the mass of co2 found in a 355 ml can of soda at 25
is the world adiabatic or isothermal and why is the world at constant pressure or constant volume and
at mit there is a winter-time student tradition of taking a large quantity 1 kg of sodium metal and tossing it into the
a draw the structure for the molecule that fits the following description and then name it according to iupac
what is the freezingboiling point of 215g of nacl in 139ml of water assume the vant hoff factor is
a 6280 g solution of chloroform and ch32co contains 122 kg of chcl3 calculate the mole fraction of chloroform in the
a solution of vinegar is 478 by mass acetic acid in water assuming the density of vinegar is 100 gml what is the
calculate the percent by mass of the solute methylene chloride in a solution produced by combining 0891 kg of ch2cl2 to
a 4760 g sample of a solution of the solute tetrahydrofuran in the solvent benzene that has a concentration of 374
how many milliliters of 69 percent ww hno3 must you dilute with water to prepare a total volume of 1000 ml of 700 m
how many grams of solid barium sulfate form when 168 ml of 0160 m barium chloride reacts with 651 ml of 0055 m sodium
it is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water dehydrationa
what volume ml of the solute ethanol should be added to 6040 g of the solvent acetone to generate a solution that
what volume ml of the solvent hccl3 should be added to 0298 kg of the solute acetone to prepare a solution that is 112
a 3340 g solution of hoch22oh and water contains 0362 l of ethylene glycol calculate the mole fraction of hoch22oh in
complete and balance the equations for the following acid-base reactions name the reactants and the products
calculate the percent by mass of the solute ch2cl2 in a solution made by mixing 453 ml of methylene chloride to 236 l
what volume ml of the solvent h2o should be added to 136 ml of the solute ch3oh to make a solution that is 112 parts
a sugar-water mixture contains 458g of sugar and 1085g of water what is the percent by mass of sugar and the percent
the concentration of cadmium in seawater can be determind spectrophotometrically to six 500ml seawater samples various