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problem- the freezing point depression constant of water is -186 degrees cm if 750 g nacl is dissolved in 450 g h2o
problem- a 250 ml sample of 0100m sodium acetate is mixed with 500 ml of a 210m hcl solution calculate the ph of the
problem- if the water in your house has 10000 mgl of calcium carbonate dissolved in it how many grams of sodium oxalate
problem- how many significant figures can you accurately report in the values for ksp that you calculated in parts 2
problem- solid zirconium dioxide zro2 is reacted with chlorine gas in the presence of carbon the products of the
problem- this is a thinking questionneed a little more input knowing that enzymes and large proteins have mulitple
problem- znco3 a slightly soluble substance is least soluble in which one of the following solutions solventspure
problem- calculate the ph and percent hydrolysis of an 1 m potassium formate khcoo solution ka of formic acid hcooh is
problem- a particular reactant decomposes with a half-life of 101 s when its initial concentration is 0370 m the same
problem- write a balanced chemical equation showing how each of the following metal oxides is dissolved by
problem- the period 6 transition metals have greater densities than either the period 4 or 5 transition metals an
problem- a 198ml sample of a 15m sucrose solution is diluted to 350ml what is the molarity of the diluted solutioni
problem- how many grams of nacn would you need to dissolve enough water to make exactly 250 ml solution with a ph of
problem- calculate h3o given oh- in each of the following aqueous solutions then determines if it is acidic or basicoh
problem- the iron produced in a blast furnace contains significant impurities of carbon phosphorus and sulfur these
problem- after 770 min 320 of a compound has decomposed what is the half-life of this reaction assuming first-order
problem- what is the fraction of a remaining after 91622 minutes if the first order rate constant is 2687e-4 s-1you do
problem- the pka of tris trishydroxymethylaminomethane an acid commonly used in biochemistry is 807 what is the kb of
what are the concentrations of h2po4- and hpo42- respectively for a 00075 m phosphoric acid solutionhere is the problem
problem- what are the concentrations of hco3- and co32- respectively for a 00050 m carbonic acid solution assume
problem- what are the concentrations of hso4- and so42- respectively for a 00050 m sulfuric acid solutionmention step
problem- what is the heat change in j associated with 45 g of liquid propane at -168 oc changing to gas at 12
problem- at a certain temperature the kp for the decomposition of h2s is 0867initially only h2s is present at a
problem- the elementary reactionproceeds at a certain temperature until the partial pressures of h2o h2 and o2 reach
problem- calculate the range of molar mass values that could be calculated from an uncertainty of or - 1 degree in the