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A 15.8 g strip of zinc metal was placed in 100.0 mL of silver nitrate, AgNO3 (aq). When the reaction was complete, the strip of zinc had a mass of 13.1 g. What was the concentration of the silver nitrate solution?
Problem- Provide a mechanism for the removal of a Fmoc 9-fluorenylmethoxycarbonyl protecting group from an amino group under basic conditions.
What happens to the pH when the buffer contains more of the weak acid than the conjugate base. More of the conjugate base than the weak acid
For carbon tetrachloride, the boiling-point constant is 5.03 C x kg/mol, and the boiling point of pure carbon tetrachloride is 76.50 C.
calculate the mass (g) of the excess reactant after thereaction is complete e. calculate the theoretical yeild (g) of 2,2dibromopropane
What volume of an HCL solution with a pH of 1.3 can be neutralized by one dose of milk of magnesia
What is the pH of the solution at the following points along the titration curve: 1) Before any titrant is added
Lactic acid, CH3CH (OH)COOH, has a Ka value of1.4x10-4. Explain how many grams of lactic acid must be added to make 193.0 mL of solution with a pH of 2.27
Give the bohr electron configuration and lewis electron dot structuce for sulfur. Circle the elector in the Bohr electron configuration and also in the Lewis
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
What is the temperature of the water after the ring and water reach thermal equilibrium
Three trials to determine concentration of unknown substance. Values: .210 M,.198M, .203 M . The actual concentration is .135 M.
The solution has a density of 1.286 g/cm^3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4 which is complete
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