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A) Calculate thepHat the equivalence point in titrating 0.120Msolutions of each of the following with 8.0×10-2MNaOH.
hydrobromic acid (HBr)
chlorous acid (HClO2)
benzoic acid (C6H5COOH)B) A 20.0-mL sample of 0.150 MKOH is titrated with 0.125 MHClO4 solution. Calculate the pHafter the following volumes of acid have been added.
23.5 mL
27.0 mL
30.0 mL
State the mechanistic equations for each step in the preparation of p-bromoaniline from aniline. Explain why does bromination of acetanilide stop at the monobromo stage
What is the nature of the substance(non polar, polar, ionic) and intermolecular force(ionic or van der waals if van der walls give type including h-bond)
Calculate the number of moles of gaseous nitrogen contained in a sample of 227 mL of gas saturated with water vapour at 20 °C and 90.0 kPa.
You conduct an experiment where N2 is collected over water in a 2.12 L flask at 23.oC. At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
considering the process rbl rarr rbg at 1 atm and 686degc in this process it is given that rubidium has a heat of
A 0.3728 g sample of potassium hydrogen phthalate is dissolved in 100 mL of water. If 43.82 mL of sodium hydroxide solution are required to reach the equivalence point, what is the molarity of the sodium hydroxide solution. Does the amount of water..
50mL of .250M sodium benzoate, NaC7H5O2, is being titrated by .200M HBr. Calculate the pH of the solution
what is the atomic radius of a nickel atom in picorneters and If a roll of nickel coins has a mass of 205 g, what is the mass of the roll of nickels in ounces?
The inlet velocity to and the outlet velocity from the scrubber are 25 ft/s and 20 ft/s, respectively. The scrubber cools the flue gas to 5500F. Determine the duct size required at the outlet of the unit.
A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C
The density of magnesium is 1.7 g/cm3, and the density of iron is 7.9 g/cm3. Consider a block of iron with a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron
You have a buffer solution composed of 4.00 mol of acid and 2.25 mol of the conjugate base. If the pKa of the acid is 4.10, what is the pH of the buffer?
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