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explain why the fluoride ion of the terabutylammonium flouride is more nucleophilic than the fluoride ion of sodium
find the ph of the equivalence points and the volume of 00372 m naoh needed to reach it in titrations ofa 422 ml of
a what is the ph to nearest 001 ph unit of a solution prepared by mixing 520 ml of 0631 m hcl and 630 ml of 0723 m
if 250 ml of 0451 m hno3 solution is titrated with 0451 m naoh calculate the ph of the solution after each of the
how many moles of h3o must be added to 482 ml of a solution to adjust the ph from 880 to 556 use e notation and 3
draw the structure of the intermediate hydroxyketone formed by the transfer of one hydride to benzil is the
most of the alkali halides exhibit the rock salt structure shared by nacl using the ionic radii li 76pm f 133pm k 138pm
35 grams of salicylic acid reacts with an excess amount of acetic anhydride what is the theoretical
show the orbital-filling diagram for nitrogen stack the subshells in order of energy with the lowest-energy subshell at
the atomic radius of nickel is 124 pm and the average atomic mass of nickel is 586934 amu calculate the density of
a pure iron beam is surface hardened by exposure to a carbon source at 700 degrees celsius at this temperature iron is
given a buret filled with 013 m acetic acid and a second buret filled with 017 m sodium acetate how many milliliters of
this is from a effect of ph on the solubility of caoh2 lab if excess cano32 were present what effect would it have on
consider the titration of 485 ml of 12 m naoh with 10 m hcl find the ph at the following pointsa at the start of the
titanium iv chloride ticl4 can be used to produce titania by the sol-gel method what mass of ceramic can theoretically
naturally occurring element x exists in three isotopic forms x-28 27977 amu 9221 abundance x-29 28976 amu 470
a beaker contains 210 g of hot water at a temperature of 888oc after a while the temperature of the water falls to
consider the possible reaction when stoichiometric amounts of solutions of baoh2aq and al2so43aq are mixed the products
write a molecular equation for the precipitation reaction if any that occurs when the following solution are mixed how
a 1500 ml sample of hno3 nitric acid is titrated with a naoh sodium hydroxide solution the sodium hydroxide solution
methanol ch3oh formerly known as wood alcohol is manufactured commercially by the following reactioncog 2h2g ltgt
a molecular compound contains 923 carbon and 77 hydrogen by weight if 0152 mol of the compound weighs 395 g what is its
initially a mixture contains 0629 mol each of n2 and o2 in an 664-l vessel find the composition of the mixture when
what mass of ammonium chloride should be added to 265 l of a 0165 m nh3 in order to obtain a buffer with a ph of