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problem- what is the ph of an aqueous solution prepared to initially contain 0100 m nahso4 and 0100 m bacl2 ka12x10-2
problem- a gas is collected over water at 320c at this temperature water has a vapor pressure of 36 torr if the volume
problem- how many ml of 043 m naoh will be needed to neutralize 10 ml of stomach acid if stomach acid is 01 m hclusing
problem- 1 why does a recrystallization give a more pure solid sample2 what is the problem with adding too much solvent
problem- for my chem2 lab class we preformed a nut combustion experiment to get the calorie count in different kinds of
problem- the molar heat of vaporization for benzene is 73 kcalmol how many calories are required to vaporize 425g of
problem- a use the emf series appendix d to arrange the following species in order of decreasing strength as oxidizing
problem- 1 salicylic acid has the following solubility profile in water 02 g100 ml 20 0c and 75 g100ml 100 0c would
problem- if the structure is square planar how many geometric isomers are possible for the complex ion what are
problem- write a chemical equation to describe the reaction of metallic lead with hydroiodic acid hiaq include correct
problem- what is the ph of a solution containing 010 m sodium carbonate enter your answer as a number with the
problem- when 5000ml of 1000 x 10-1 m lead ii nitrate solution are combined with 5000ml of 1000 x 10-1 m sodium iodide
problem- what is the molar solubility of agcl in 040 m nh3 ksp for agcl is 1810-10 and kf for agnh32 is 17107i need
problem- consider the titration of a 200ml sample of 0105m hc2h3o2 with 0130m naoh determine each of the followinga
problem- how many grams of dry nh4cl need to be added to 190l of a 0200m solution of ammonia nh3 to prepare a buffer
problem- a the top of a swimming pool is at ground level if the pool is 61m deep how far below ground level does the
problem- an alkane a with the formula c6h14 reacts with chlorine and light to form three compounds with the formula
problem- how many grams of precipitate is formed if 50 ml of 12 koh is reacted with 75 ml of 75 m crno33 mm103gmol for
problem- rank the following hydrocarbons in order of increasing octane number a heptane b cyclohexane c toluene d
problem- a buffer solution is prepared by dissolving 35 mol of hcn ka 40 x 10-10 and 271 mol of kcn in enough water to
problem- you prepare a solution from 100 ml of 0100 m mops buffer 3-morpholinopropane-1-sulfonic acid and 100 ml of
problem- when 205 g of polystyrene was dissolved in toluene to give 100 ml of solution the osmotic pressure of the
problem- the toxic gas phosgene decomposes to a limited extent to carbon monoxide and chlorine at 373 k according to
problem- the following reactants are mixed in equal molar portions predict if the resulting solution will be acidic
problem- a solution of a weak acid hcooh is made to a concentration of 0621 mol l calculate the ph of this solution ka