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a buffer solution is made from 10 ml of 01 m acetic acid and 20 ml of 02 m sodium acetate to the solution 5 ml of 08 m
write balanced equations for the following chemical reactionsa solid leadii iodide forms when aqueous solutions of
how do i determine a limiting reagent i am very confused as to why mg is the limiting reagent in 2mgo2--gt2mgo and n2
100 ml of a h3po4aq solution require 100 ml of 020 m caoh2aq solution for its complete reaction what is the molar
a reaction between sodium oxalate and copper 2 sulfate is observed a blue precipitate informed after about 30 seconds
in the cod measurement of a raw wastewater sample initial k2cr2o7 concentration added into the wastewater sample is
you are given a bottle that contains 459 cm3nbspof a metallic solidnbspthe total mass of the bottle and solid is 3566
three test tubes labeled ab and c contain substances with approximately the same melting points describe in detail how
an unknown compound is suspected to be acetanilide no 1135-114 degree celsius what should happen to o the melting point
an impure sample of sodium sulfate containing sodium chloride was analyzed by this method the calculated percent
1 gaseous dinitrogen tetroxide n2o4 decomposes to form nitrogen dioxide gas no2 write a balanced equation for this
if one started with 1-ethyl-4-methoxy benzene instead of 14-dimethoxybenzene what would the first reaction product mono
for the following salts determine the mass of solid that dissolves in 421 ml of water at 25nbspoca if the molar
consider the acid-base nature ofnbspcalcium fluoridenbspcaf2 when it is dissolved in water1nbspwhat are the acid-base
when two no2nbspmolecules collide and react they can form a bond or exchange an oxygen atom for the oxygen exchange
the half-life of the zero order reaction a rarr b is 056 minutes if the initial concentration of a is 34 m what is the
you are instructed to allow the grignard reagent to cool after it is refluxed and prior to the addition of the carbonyl
a large balloon is initially filled to a volume of 250 l at 353 k and a pressure of 2575 mm hg what volume of gas will
why is substitution disfavored after carbocation
suppose that a fictitious element x has two isotopes 59x 59015 amu and 62x 62011 amu the lighter isotope has an
part of green chemistry focuses on atom economy which is a measure of atoms found in the desired product from the given
the hydration of anhydrous copper sulfate is represented by the following reactioncuso4nbspsnbsp 5 h2onbsplnbsprarr
what is the advantage of metabolizing drugs to more water-soluble forms a water-soluble forms can more readily be
the substancenbspacetylsalicylic acid aspirinnbsphc9h7o4 is a weak acid kanbspnbsp30times10-4what is the ph of
1 a 5000ml sample of 01000 m hydrochloric acid is exactly neutralised by 2385 ml of potassium hydroxide solution how to