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Consider the titration of 30 ml 0.1M HCLO. Ka= 5 x10^-5 with 0.095M KoH solution. determine the pH at the folwwoing points:
a) initially before any KoH are added
b) after addition of 8 mL of KoH
c) total of 17 mL of KoH are added
d) equivalance point
e) total of 38 mL of KoH are added
Give the repeating unit of the polymers prepared by ADMET polymerization
Dr. Goodchem observed that he had extracted 15.5 mL of Citral. If the density of pure Citral is 0.888 g/mL, what was the % composition of Citral found in the Orange extract.
Complete and balance the following redox reaction under acidic conditions: Fe2+(aq) + MnO4-(aq)---------------> Fe3+(aq) + Mn2+(aq)
For each of the half cells compare electrode potentials calculated from (1) concentration and (2) activity data. a) HCl (0.0200 M), Nacl (0.0300 M)|H2 (i.00 atm), Pt b) Fe(Clo4)2 (0.0111M), Fe(ClO4)3(0.0111M)|Pt
An object made of aluminum has a mass of 8.37g. When it was placed in a graduated cylinder containing 20.0mL of water, the water level rose to 23.1mL. Calculate the density and specific gravity of the object.
Methanol, CH3OH, is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen: CO(g) + 2H2(g) CH3OH(g). An equilibrium mixture in a 2.00 L vessel is found to contaim 0.0406 mol CH3OH, 0.170 mol CO, NS 0.302 MOL h2 AT 500 k...
Suppose the maxium pressure the vessel can safely with stand id 1.60 atm. what is the maxium temperature in K the gas can have before its pressue might burst the vessel
A titration is performed by adding 0.400 M KOH to 40.0 mL of 0.300 M HCl. What is the pH after addition of 5.0 mL of the base?
Why do humans sweat and dogs pant? Explain the purpose and the reason it is effective. Why is water consiered the universal solvent
Iron(III) oxide reacts with carbon monoxide. A reaction mixture initially contains 22.65g of Fe^2 O^3 and 15.46g of CO. Once the reaction has completely occured, what mass in grams of the excess reactant is left
Toluene is a liquid compound similar to benzene. Calculate the mole fraction of Toluene in a solution that contains 112 g Toluene and 221 g Benzene.
A 16.0-mL sample of an unknown HClO4 solution requires titration with 25.5mL of 0.210M NaOH to reach the equivalence point. What is the concentration of the unknown HClO4 solution? The neutralization reaction
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