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how much acid of 05n concentration would be required to fully neutralize an 86g sample of sodium
how many moles of a reducing agent are used in a reaction containing 15l of this material which possesses a density of
an unknown monoprotic weak acid ha has a molar mass of 550 a solution contains 250 g of ha dissolved 800 ml of solution
what ratio ch3nh3ch3nh2 is needed to prepare a buffer solution with a ph of 860 from methylamine ch3nh2 and
an unknown monoprotic weak acid ha has a molar mass of 550 a solution contains 250 g of ha dissolved 800 ml of
the equilibrium constant for the reaction n2g 3h2g 2nh3g is kp434x10-3 at 300c pure nh3 is placed in a 100 l flask
a student obtained the following data from this experiment calculate the molar mass of this unkown liquidatmospheric
calculate the ph of a solution formed by mixing 1720 ml of 0100 m naf and 2010 ml of 0025 m
even if two spots have the same rf value we cannot be certain that the two samples are identical compounds suggest a
how many grams of kcooh are needed to prepare 150 ml a buffered solution of ph 385 if the acid concentration hcooh is
if you have 50 ml of a buffered solution of 015m hno2 and 005m nano2 how many ml of 02m hcl can you add before the ph
you want to prepare 250 ml of buffered solution composed of nh3 and nh4cl with a ph of 101 if you start with 250 ml of
you have 200ml of a solution which is 02m nh3 and contains 023grams of nh4cl a what type solution is it b what is the
if you have a solution of 015 m solution of hc2h3o2and 013m nac2h3o2 a what type solution is it b what is the
for a 025m solution of hf a write the ionization equation b what will be the concentration of all species present
if you have 100 ml of pure water and add to it 100 ml of 20m hc2h3o2 what will be the final solution
if you have 100 ml of pure water and add to it 10 ml of 20m hno3 what will be the ph of the final
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hypochlorous acid hocl is a weak monoprotic acid using the information for this acid in appendix f calculate the ph
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a typical calibration curve for emission spectroscopesuch as icp or fluorescence is linear at low analyte
for propanoic acid hc3h5o2 ka 13 multiplied by 10-5 determine the concentration of the species present the ph and the
if 2313 g of al at 3370oc is added to 1579 g of water at 254oc what is the final temperature oc of the