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a 200 ml sample of 0200 m hbr solution is titrated with 02 m naoh calculate the ph of the solution after 199 ml of naoh
a solution contains 20 x 10-4 m ag and 15 x 10-3 m pb2 if nai is added will agi ksp 83 x 10- 17 or pbi2 ksp 14 x 10-8
the equilibrium constant for the haber process is kc 0105 a two liter flash is filled with 0500 moles of nh3 and
calculate the ph of the solution which results from adding 3854 ml of 01012 m koh to the cyanic acidcyanate buffer of
construct a titration curve of pag vs mls of titrantagno3 titration of 25ml of 0044m kbr with 005m agno3 calculate pag
a white solid dissolves in water to form a neutral solution no precipitate forms when this olution is treated with a
why is it more difficult to identify all of the components of a mixture than it is to identify the cation and anion
a what anion or anions are not presetn in a solution that forms no precipitate upon addition of bacl2aqb which anion of
400 ml if 0100m t-bucl are mixed with 400ml of 00100 m naoh and 200 ml of distilled watera calculate the initial
justify the born-oppenheimer approximation based on vibrational frequencies and the timescale for electron
the hybridization model assumes that atomic orbitals are recombined to prepare directed orbitals that have the bond
nitrous oxide n2o is a strong greenhouse gas-effect gas with a global warming potential of 300 times that of carbon
1 a sample gas has a volume of 200cm3 at 25 degrees celsius and 700mmhg if the pressure is reduced to 280mmhg what
the ion-product constant for water is 10x10-14 at 25 degrees celsius and 38x10-14 at 40 degrees celcius is the forward
1 a student dissolves 001 mol of an unknown weak base in 100 ml water and titrates the solution with 01 m hno3 after 40
a 100 ml of 100 m hcl solution is titrated with 100 m naoh solution you added the following quantities of 100 m naoh to
how to you determine the equilibrium constant for hydration rank the carbonyl compounds but im not even sure how to
how many moles of croh3 will dissolve in 100 l of a solution with a ph of 513 assume the ph does not change as the
calculate the bond order in the following species predict which of the two species in the following pairs has the
part a a 1168ml sample of 0110m methylamine ch3nh2 kb 3710-4 is titrated with 0255m hno3 calculate the ph after the
k is 16 x 10-5 moll at a particular temperature for 2noclg 2no cl2g chemical equilibriumif 10 mole of nocl and 100
1 three gases 800 g of methane ch4 180 g of ethane c2h6 and an unknown amount of propanec3h8 were added to the same 100
250 ml of a saturated aqueous solution of caf2 at 25 degrees celsius is found to contain 00040 g of dissolved caf2 find
find the maximun number of moles of pbcl2 that can be dissolved in 100 l of 030 m naclaq at 25 degrees celsius given
using your data determine two values for deltah neutralization then calculate an average value the value should be