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question- using the following information determines the half life of this reaction assuming there is a single
problem- the energy of any one-electron species in its nth state n principal quantum number is given by e -bz2n2 where
problem- consider a solution that contains cu2 and 500 mm of bi3 if i hold this solution at 345 degrees c at what
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problem- part 1-calculate the ph of a solution containing 35m lactic acid and 25m sodium lactate is this a buffered
problem- calculate the concentrations of all species in a 0620 m na2so3 sodium sulfite solution the ionization
problem- for the diprotic weak acid h2a ka1 20 times 10-5 and ka2 50 times 10-7part 1 what is the ph of a 00750 m
problem- enough of a monoprotic acid is dissolved in water to produce a 00121 m solution the ph of the resulting
question- calculate the ph and the poh of an aqueous solution that is 0030 m in hclaq and 0080 m in hbraq at
problem- a 750 l container holds a mixture of two gases at 35 degrees c the partial pressures of gas a and gas b
problem- write the acid-base reaction that occurs when an aqueous solution of hcl is added to an aqueous solution of
question- what volume of 10 m hydrogen peroxide must be brought to 50 ml final volume so that the absorbance at 240 nm
question- assume that the molar freezing point depression constant of water is 186c kgmol and that the freezing point
question- draw a flow sheet to show how you would separate the components of a mixture containing an acid substance
problem- part 1 what mass of potassium hydrogen phthalate khp is needed to neutralize 4000ml of 0100 m naohpart 2 what
problem- part a in your experiment one of the reagents was limiting and the other was in excess therefore after the
question- consider the titration of 2000 ml of 0250 m hf solution with 0250 m koh1 calculate the ph after the following
problem- in a 1 m solution of nh3aq identify the relative molar amounts of these species arrange them from most to
problem- calculate the concentrations of total acetate ion for the 7 solutions below prepared by mixing the specified
question- calculate the ph for each of the following cases in the titration of 500 ml of 0100 m hcloaq with 0100 m
problem- if i mix 500 ml of 0200 m bacl2 solution with 200 ml of a 500 mm agno3 solution and then a precipitate will
problem- for the reaction shown below which change in conditions made to the system at equilibrium will result in a net