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1 calculate the h in a solution that is 01 m in naf and 0210 m in hf ka 72e-42 how many litres of 15 m naoh will be
a solution is made by mixing 598 ml of 60 m hcl and 4791 ml of 0250 m hcl then the solution is diluted by adding water
1 what is the ph of 055 m trimethylammonium chloride ch33nhclthe kbof trimethylamine ch33n is 63 x 10-52nbspcalculate
consider the titration of 10 m of oxalic acid and 20 m naoh what is the ph at the second halfway
you are performing the titration of a buffer with a pka of 64 you start at the pka and after adding 3ml of 1m hcl your
a solution of hcl with unknown concentration was titrated with 0230 m naoh if a 1050 ml sample of hcl requires exactly
how many litres of 15 m naoh will be needed in the titration of 0420 l of 466 m of phosphoric acid to achieve
the acid ha ka 42 times 10-4 equilibrates between water and ethera define the distribution coefficient d and the
write a balanced chemical equation using skeleton structures for the reaction between acetic acid ch3cooh and ethanol
a solid magnesium carbonate reacts with an aqueous solution of perchloric acidexpress your answer as a balanced
a solution is prepared by dissolving a certain amount of glucose c6h12o6 in 355 g of water the final volume of the
a 380-g sample of a salt dissolves in 920 g of water to give a saturated solution at 26degc what is the solubility in g
the density of an aqueous solution containing 150 percent ethanol c2h5oh by mass is 0973 gmla calculate the molality of
a radioactive isotope has a half life of 804 minutes how long will it take for the radiation from a 325 pci sample to
caves form mostly from the reaction of weak carbonic acid which forms due to carbon dioxide that is in the water with
what is the hydroxide ion concentration of a solution prepared by dissolving 0881 g of mgoh2nbspin 354 ml of waterhow
what are the boiling point and freezing point of a 147 mnbspsolution of naphthalene in benzene the boiling point and
given the following reaction of fe3 aq scn- aqnbspharr fescn2 calculate the concentration in molarity of scn- knowing
a mixture of nacl and sucrose c12h22o11 of combined mass 102 g is dissolved in enough water to make up a 250 ml
a solution is prepared by dissolving 396 gof sucrose c12h22o11in 604 gof water what is the vapor pressure of this
how do you calculate the mass of ch3coona and the volume of 01m ch3cooh solution when you will need to prepare 100 ml
what is the ph of anbsp0240nbspm aqueous solution ofnbspsodium
should a stronger acid require more sodium hydroxide to neutralize it than a weaker acid why or why
1 the method you are using determines total water hardness - suggest another experimental technique which can provide
the combustion of gasoline c8h18 with excess oxygen produces carbon dioxide and water write a balanced chemical