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explain what is the ph at the equivalence point in the titration of 100ml of 041 mhz with 0200 m naoh ka 37 times 10-5
to simulate blood conditions a phosphate buffer system with a ph 74 is desired explain what mass of na2hpo4 must be
explain what is the predicted ph of a 0100m solution of nh4oh aqueous ammonia of the ionization
lavoisier heated mercury ii oxide and isolated elemental mercury and oxygen gas if 396 g of mercury ii oxide is heated
explain how to compute the number of moles of aluminum chloride that would be necessary to prepare 4536 grams of
a 40-cuft tank is filled with air at 147 psia and 80 f the tank also contains a 15-lb block of dry ice solid co2
what volume of 0250moll solution could you make with 559g of potassium chloridekcls mercury compounds are poisonous
the entropy of hydration becomes more negative from na to mg2 to al3 though the coordination number is probably 6 in
a laboratory stockroom has a stock solution of 90mv sulfuric acidh2so4aq if a technician dilutes 50ml of the stock
explain how to compute how many grams of silver chloride can be produced from 314 g of silver nitrateagno3aq naohaq
if a sample of hydrogen has a volume of 582 ml when the temperature is 486 degc and the pressure is 1116 atm explain
depict the lewis structure of khp potassium hydrogen phthalate showing all atoms bonds and lone pairs if resonance
explain how to compute the number of grams of oxygen that can be produced by hearing 718 grams of potassium
as canadian oil reserves are consumed we may start to use oil from the tar sands the arctic and offshore under the
explain how to compute the number of grams of calcium chloride that can be prepared from 425 grams of calcium cas hcl
explain how can determine how many moles of hydrogen molecules can be formed by the reaction of 62 moles of sodium
for the subsequent reaction compute the deo and the dgo the value of a faraday is 2306 kcalvoltmol define equations 2
compute the standard potential difference and the standard free energy change when two electrons are transferred from
bromine has p vap 400mm at 410 celsius and a normal boiling point of 3319k explain what is the heat of delta h vap of
the first ionization energy for na is 4959 kjmol compute the maximum wavelength of light in nm required to ionize a
an oxalic acid solution contains the subsequent species in varying concentrations- c2h2o4c2ho-4c2o2-4 and h depict
given the subsequent data amax 1699 amin 0000 ab0523 as well as the ph of the solution is 666 compute the pka ad n the
explain how many ml to the nearest ml of 0214 m kf solution should be added to 410 ml of 0225 m hf to prepare a ph 291
explain if you have a 245 gram fluoride toothpaste sample explain how do you calculate the grams of fluorine in the
at 25degree c in a mix o of n2o4 and no2 in equilibrium at a total pressure of 0844atm the partial pressure of n2o4 is