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how many ml of 064 molar naoh must be added to 39 ml of 011 molar hcl to completely neutralize the
find the ph of a solution after 010 mol of hcl is added to 10 l of a buffer solution that contains 140 m nh3 and 090 m
the empirical formula of a solid is ab2 and it dissolves to form the cation a2 and the monoanion b-solid ab2 is added
what is the ph for a buffer solution containing 049 molar acetic acid and 002 molar potassium
for the cell reaction cu2aq zns arrow cus zn2aq e cell 110v use the nernst equation to determine e cell when the
assuming you have avaiable to you a 500 g sample of glass c00837 jg c and a 500 g sample of iron c00452 jg c both
what ph is required to start precipitation of feoh3 from a 0110 m solution of fecl3 ksp of feoh3 40
a student accidentally mixed small pure white crystals of napthalene into a small vial containing small white crystals
how many grams of formic acid hcooh must be added to 0240 l of 0110 m sodium formate hcoona to yield a buffer solution
show that parthpartpt 0 for an ideal gas using thermodynamic relationships and the definition of
you performed a nitration reaction in 15 minutes to completion assume it took the entire allotted time if we used
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
the equilibrium constant for the reaction n2g 3h2g 2nh3g is kp434x10-3 at 300c pure nh3 is placed in a 100 l flask
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
for a 025m solution of hf a write the ionization equation b what will be the concentration of all species present
if you have a solution of 015 m solution of hc2h3o2and 013m nac2h3o2 a what type solution is it b what is the