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Phenol, C6H5OH, is a weak organic acid.Suppose 0.515g of the compound is dissolved in exactly 125 mL ofwater. The resulting solution is titrated with 0.123 M of NaOH.C6H5OH(aq) + OH- (aq) <-->C6H5O- (aq) + H20(l)(a) What is the pH of the original solution of phenol?(b) What are concentrations of all the following ions at theequivalence point: Na+, H30+,OH-, and C6H5O-?(c) What is the pH of the solution at the equivalence point?
Vitamin C, Molar mass 176.12 g/mol, is a compound of C, H, and O, and found in many natural sources, especially citrus fruits. When 1.000 g sample of vitamin C is burned in a combustion apparatus, the following data are obtained
A company is marketing a photovoltaic cell that it claims has an output of 320 W/m2 when tested at the standard 1000 W/m2 irradiation condition
The freezing-point depression of a 0.100 m (molality) MgSO4 solution is 0.225 degrees Celsius. Determine the experimental van't Hoff
How much titanium (IV) chloride must react with excess oxygen to prepare 175 grams of the pigment if the reaction is only 85% efficient (% yield)
What is the alkali-aggregate reaction? List some of the rock types that are vulnerable to attack by alkaline solutions. Discuss the effect of aggregate size on the phenomenon.
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) (a) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.)
if 105 of fluorine-18 is shipped at 800 a.m. how many milligrams of the radioisotope are still active if the sample
A 70.0 g steam sample at 150.0 degree Celsius was converted to ice at -150.0 degree Celsius, calculate the total amount of heat removed in the process.
what volume of 3M sulphuric acid is required to neutralize all of the C 7 H 5 NaO 3 and the excess sodium hydroxide present after the initial reaction? Determine how much H 2 SO 4 was in excess?
What are the equilibrium concentrations of C6H5NH2, C6H5NH+3 , Cl-, H+, and OH- in an aqueous solution prepared by combining 50.0 mL of 0.0400 M C6H5NH+3 Cl- and 50.0 mL of 0.0100 M KOH? Kb = 7.4 x 10-10 for C6H5NH2.
A mixture of 0.10 mol of NO, 0.050 mol of H2, and 0.10 mol of H2O is placed in a 1.0- L vessel at 300 K . The following equilibrium is established:
an aqueous soultion of uknown salt of ruthenium is electrolyzed by a current of 2.50 amps passing for 50 min. if 2.618 g Ru is produced at the cathode, what is the charge on the ruthenium ions in solution?
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