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what salt is formed from the neutralization reaction between perchloric acid and potassium hydroxidewaterpotassium
if the theoretical yield for a reaction was 156 grams and i actually made 122 grams of the product what is my percent
hydrochloric acid reacts with calcium to form hydrogen and calcium chloride if 100 grams of hydrochloric acid reacts
how many grams of calcium phosphate are theoretically produced if we start with 340 moles of cano32 and 240 moles of
predict any precipitates that are formed when the following solutions are mixed and give the net ionic equation bano32
what is the empirical and molecular formula for a compound that is 4616 carbon 516 hydrogen and 4868 fluorine if the
lakes that have been acidified by acid rain can be neutralized by the addition of limestone caco3 how much limestone in
which reactant is in excess from the reaction of 350 g of hydrogen with 276 g of oxygen to form
a 1000 ml sample of 010 m nh3 is titrated with 010 m hno3 determine the ph of the solution after the addition of 1500
outline the steps necessary to properly prepare 100ml of te buffer include the amounts of tris-base and edta and all
what is the percent yield of a reaction where 153g of oil of wintergreen is collected after 163g salicylic acid is
explain why treating a mixture of vanillin and eugenol to steam distillation would result in distillation of eugenol
what is the molar mass of toluene if 085 g of toleune depresses the freezing point of 100 g of benzene by 047 degrees c
a disk has a moment of inertia 30 x 10-4 kg m2 and rotates with an angular speedof 35 radsec what net torque must be
the osmotic pressure of 0010m mgso4 solution at 25 degrees c is 0318 atm calculate i the van hoff factor for this mgso4
find the temerature at which water boils on a day in the mountains when the barometric pressure is 593 mmhg gien the
palladium crystallizes in a face-centered cubic unit cell its density is 120 gcm3 at 27 degrees c calculate the atomic
if ka is 185 x 10-5 for acetic acid calculate the ph at one half the equivalence point and at the equivalence point for
how many grams of water are needed to dissolve 278 g of ammonium nitrate nh4no3 in order to prepare a 0452 m
the vapor pressure for water at 20 degrees c is 175 mmhg what is the vapor pressure of water over a solution prepared
mgo has the same crystal structure as nacl face-centered cubic how many oxide ions surround each mg2 ion as nearest
the molar heat capacity of silver is 2535 jmol c how much energy would it take to raise the temperature of 100g of