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given that aprotic solvents are not practical for unimolecular processes little if any reaction occurs via a
you dissolve 0425 g of naoh in 300 l of a buffer solution that has h2po4 hpo42- 0132 ma what is the ph of the
the ph of a solution of hn3 was found to be 47 find the original concentration of the hydroazoic acid
1 what is the purpose of 18m sulfuric acid in the preparation of aspirin2 old aspirin tests positive to a fecl3 test
edta forms strong complexes with most metal ions except those in group 1a what information could be obtained if the
400 ml of an acetic acid of unknown concentration is titrated with 0100 m naoh after 200 ml of the base solution has
what will be the ph change when 230 ml of 0100 m naoh is added to 800 ml of a buffer solution consisting of 0159 m nh3
using standard enthalpies of formation from appendix l calculate ho for the following reaction 2 c6h6l 15 o2g --gt 12
here are the problems id appreciate the answers to one or both not sure if my karma entitles me to both though1 in the
a 0050 m h2s solution contains 020 m nicl2 and 035 m hgno32 what ph is required to precipitate the maximum amount of
at what temperature will a fahrenheit thermometer reading be the same as a celsius thermometer
titration of 01756 g of primary standard na2c2o4 required 3204 ml of a kmno4 solution calculate the concentration of
a solution is made by mixing 500 ml of 167 m naoh with 500 ml of 100 m ch3cooh calculate the equilibrium concentrations
oxalic acid h2c2o4 can be neutralized with a solution of sodium hydroxide naoh a write a balanced chemical equation for
250 ml of a hydrofluoric acid solution of unknown concentration is titrated with 0200 m naoh after 200 ml of the base
a solution composed of 2000 g c2h5oh in 6000 g ccl4 has a density of 1280 gml calculate the molarity of c2h5oh in the
explain in detail how you would prepare exactly 250 ml of a 475 m solution of sodium hydroxide starting with solid
calculate the ph at the equivalence point for the titration of 025 m ch3cooh with 025 m naoh for ch3cooh ka 18 x
an aqueous solution of an unknown monobasic weak base has an initial molarity of 0139 m and a final oh- of 00000316m
indicate whether or not each of the following compounds is soluble in water if the compound is soluble what ions are
aquated iron ii ions undergo a disproportionation reaction to give fe s and aquated iron iii ions that is iron ii ions
apply the 18-electron rule to predict the compounds that are likely to be formed by the following combinations of
an unknown organic compound with formula c5h10o2 contains two chirality centers the unknown compound gave both a
there are two different schemes you could use to synthesize 1-cyclohexyl-1-propanol using a grignard reagent and
you are performing an experiment in lab that is sensitive to the density of nitrogen in the air if the density of