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problem- what is the molar solubility of sr3aso42 and the concentration of sr2 and aso4-3 in a saturated solution at 25
problem- a volume of 800ml of aqueous potassium hydroxide koh was titrated against a standard solution of sulfuric acid
problem- a liter of a solution saturated at 25 degrees celsius with calcium oxalate cac2o4 is evaporated to dryness
question- how many milliliters of 0135 m hcl are needed to completely neutralize 490ml of 0101 m baoh2 solutioni need
problem- a driver jumps from the high board into a driving pool sketch an illustration of the drivers motion label each
problem- determine the amount of acid or base required to adjust the ph of a water sample from 11 to 85 given that the
question- calculate the mass of barium chloride you need to make a 200 m barium chloride solution with 1000g of water
problem- assume that the molar freezing point depression constant of water is 186c kgmol and that the freezing point of
question- 1 what volume ratio of 0110 m hcoona to 0125 m hcooh would be needed to prepare a buffer with a ph of 4002
question- formic acid is a weak acid with a pka of 374 it can be combined with its conjugate base the formante ion
question- if an unknown forms a silver mirror in the tollens test forms a purple color in the schiff test produces no
question- suppose you add 18 drops of 01 m hcl to 19 drops of 01 m naoh phenolphthalein has been added to the hcl what
problem- write complete balance molecular equation for the following reactions and what type of reaction it isa solid
question- if a reaction take 10 minutes to reach completion how many minutes would the same reaction require if an
question- when 432 g of hgo s forms from its elements how much heat in kj is involved take standard heat of formation
problem- lithopone is a brilliant white pigment used in water-based interior paints it is a mixture of barium sulfate
problem- part a how would you be able to physically separate a solution of 2 different soluble cations by adding
problem- if 500ml of 00050 m aluminum nitrate are added to 500ml of 02 m sodium hydroxide at equilibrium condition what
question- for each of the following slightly soluble salts write net ionic equation if any for their reaction with
question- a solution of sodium sulfate is added dropwise from a buret to a solution that contains 010 m lead ii nitrate
question- after recrystallization a student obtained a very low percent recovery of a solid describe a probable cause
problem- in a photoelectric effect experiment the threshold energy needed to eject an electron from chromium is 721 x
question- calculate the ph at the equivalence point for the titration of 010 m nh3 by 010 m perchloric acid pkb for
question- predict whether each other following complex ions will have strong field or a weak field and predict the