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during the titration of sodium carbonate with hcl the dissolved carbonate ion will exist in three different forms co3-2
calculate the molarity m of hcl used in the titration of a 02239g sample of sodium carbonate that required 3901ml of
if 186 ml of 0800 m hcl solution are needed to neutralize 500 ml of a household ammonia solution what is the molar
a 2394mg sample of a drug designed to treat malaria was run through a series of reactions to convert all the nitrogen
explain in detail why atomic radii do not increase uniformly with increasing atomic number give specific examples in
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in the making stock solutions from solids problem make a 100 ml solution that is 10 m of the cl- ion using nacl and
what is the single most important application of the combustion reaction in our
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a find the distance to a sun-like star l38x1026watts whose apparent brightness at earth is 10 x10-10wattm2b you measure
which of the following yields an acidic solution when dissolved in water more than one answer all numbers are
for a cell that could be used to study the following redox reaction3 fe2nbspaqnbspnbspfe s 2 fe3nbspaqanswer the
if you look at the periodic table the light usually have close to a 11 ratio of protons to neutrons starting with
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2 kclo3nbsprarr 2 kcl 3 o2according to this balanced chemical equation how many moles of oxygen gas are produced from
consider the following speciesnbspno2nbsp nonbsp no3-nbsp no2-nbsp nh2ohnbspwhen ranking the above according to
sketch an fcc unit cell indicate the positions and write down the coordinates of all of the tetrahedral and octahedral
determine the radius of a guest atom r which can just fit into both the tetrahedral and octahedral interstices in the
the concentration of a solute is 5 mm molecular weight is 300 gmol and a cuvett pass length12 cm is used to obtain an
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a 05210 -g sample of an unknown monoprotic acid was titrated with 998times10-2 m naoh the equivalence point of the
what is the structure of the dimer of benzoic acid in toluene why does it not form in water explain why is
in a gas mixture the partial pressures are argon 415 torr neon 75 torr and nitrogen 125 torrwhat is the pressure atm
for the reaction given below identify the anode and describe what happens to the electrode as the reaction
for the reaction given which half reaction occurs at the cathodenio2nbsp cd h2o rarr cdoh2nbsp nioh2nbsp 2 oh-h2o rarr