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A solution of the weak base, aniline, C6H5NH2, in 25.0 mL of water requires 25.67 mL of 0.175 M HCl to reach the equivalence point.
C6H5NH2 (aq) + H3O+ (aq) <---> C6H5NH3+ (aq) +H2O (l)
What was the concentration of aneline in the original solution?
What are the concentrations of H3O+, OH-, and C6H5NH3+ at the equivalence point?
What is the pH of the solution at the equivalence point?
Calculate the pH, [CH3CH2NH2], and [CH3CH2NH3+] at the following stages of the titration. i) before the addition of any HI solution. ii) after the addition of 20.0 mL of HI solution. iii) at the equivalence point. iv) after the addition of 60.0 mL..
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
Assume you dissolve 2.56g of malic acid, C4H605 in half a liter of water (500g). Calculate the molarity, molality, mole fraction, and weight percentage of acid in the solution.
For the following reaction, if 11.2 L of Nitrogen are reacted to form NH3 at STP, How many liters of Hydrogen will be required to completely consume all of the nitrogen.
Devising a Reduction Potential Table, Why was it necessary to do Step 3 of the Laboratory Investigations. For the cell wilt the largest cell potential, place the metal of one half-cell in the solution of the other half-cell.)
in the process of producing sparkling wine from grape juice the sugar glucose is decomposed to form ethanol and carbon
What is the pH for a buffer solution containing 0.49 molar acetic acid and 0.02 molar potassium acetate
Calculate the final hydrogen ion concentration of a solution after 25.0 mL of 0.500 M HCl is treated with 40.0 mL of 0.0500 M Ba(OH)2(aq) and diluted to 100.0 mL.
Draw the boundary surface diagrams for the following atomic orbitals, including the appropiate axes.
Complete and balance the following redox equation thatoccurs in acidic solution using the set of smallest whole-numbercoefficients. What is the sum of all the coefficients in the equation? PbO2(s) + Cl^- ? Pb^2+ + Cl2(g) (acidic solution).
a 10-mL graduated cylinder (where volumes can be read to the nearest 0.1 mL). Calculate the required quantity of each reagent and the volume of water that must be added for dilution.
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
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