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a calculate the ph and poh of a solution that has an oh- concentration of 31 x 10-2m show your work and answer in 2
lactic acid abbreviated hl is made into a 0100 m solution whose ph 244 what is the ka for
write complete and balanced net ionic equations for the reaction that occurs between the following pairs of reagents if
hydrogen sulfide h2s is a weak diprotic acid calculate the sulfide ion concentration in a saturated solution of
what is the ratio of hco3- to h2co3 in an exhausted marathon runner whose blood ph is 71 note there is no need to
the normal boiling point of methanol ch3oh is 647oc and its molar enthalpy of vaporization is hvap 718 kjmola when
a 2000-ml sample of 0200 m hbr solution is titrated with 0200 m naoh solution calculate the ph of the solution after
a buffer solution contains 010 mol of acetic acid and 013 mol of sodium acetate in 100 l what is the ph of this
calculate the ph of a solution formed by mixing 100 ml of 0100 m hbr with 200 ml of 0200 m
silver ion reacts with excess cn- to form a colorless complex ion agcn-2 which has a formation constant kf21020
1 all of the following substances can function both as bronsted acids and bases except hpo4 2- po4 3- h2o2 will
mgoh2 is a sparingly soluble salt with a solubility product ksp of 56110-11 it is used to control the ph and provide
the final temperature of a mixture of solution prepared by dissolving 250 gram of naoh in 750 ml of water both
potassium hydroxide is used to precipitate each of the cations from their respective solution determine the minimum
the active ingredient of aspirin is acetylsalicylic acid a monoprotic with a ka 33 x 10 raised to -4 power what is the
given stock solutions of 3 m potassium acetate and 500 mm edta and a jar of solid tris powder molecular mass 121 gmol
two separate containers filled with nitrogen gas each contain 016 moles of gas container 1 has a volume of 0188 l at a
consider the titration of 1000 ml of 0100 m h2nnh2 kb 30 10-6 by 0200 m hno3 calculate the ph of the resulting
1000ml of 0400 moll cocl2 aqueous is mixed with 1000ml of 1600 moll naoh determine the moles of precipitate which form
a what is the ph to nearest 001 ph unit of a solution prepared by mixing 670 ml of 00755 m hbro and 890 ml of 0130 m
a 1000ml aliquot of a weak base is titrated with hcl the equivalence point is reached after 1721ml of 04332 moll hcl
cholesterol is a compound suspected of causing hardening of the arteries a 502 g sample of cholesterol was analyzed and
neglecting any effects caused by volume changes would you expect the ionic strength to 1 increase 2 decrease or 3
you are to prepare a buffer at a ph of 900 using 050 molliter hcn and 036 molliter nacn if you begin with 2500ml of 036