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Acid halides and Acid anhydrides can also be used to make esters.
Write balanced equations to show how ethyl ethanoate can be made from a) and acid halide and b) an acid anhydride
which two metals are plated, and what is the total potential? c) If 3.00 g of metal is plated in the voltaic cell, how much metal is plated in the electrolytic cell?
calculate the molar mass of the acid. B. After 10.00 mL of base had been added during the titration, the pH was found to be 5.87. What is the Ka of the unknown acid
Would you expect a carboxylic acid group within the water-free interior of a protein to have a higher or lower Ka than it would have if it occured on the protein's surface, where it is hydrated
n Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 40.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe.
The outdoor concentration of radon is 1 pCi/L. Develop a mass balance for this problem and estimate the steady-state radon concentration in the crawl space (in pCi/L).
Assuming that the density of the solution is 1.0 g/mL, find the molarity of the hydrogen ion in the solution. The molar mass of HCl is 36.5 g/mol
A protein has been eluted from a DEAE-cellulose column by washing with a salt-containing solution. Before the protein is subjected to a quantification assay,
What mass of oxygen will be dissolved in the water? The temperature of the water is 58 C, KH (02)=.00141 M/atm, and the mole fraction of oxygen gas in .23
Suppose that 1.419 g of impure barium hydroxide is dissolved in enough water to produce 213 mL of solution and that 40.4 mL of this solution is titrated to the stoichiometric point with 8.3 mL of 0.0696 M HCl(aq). What percentage of the impure sam..
Concentrated acids and bases may fall outside this range. Calculate the pH of hydrochloric acid, if the solution is sold as 37 % by weight (37 g HCl / 100 g solution) with a density of 1.18 g/mL.
A 75.0-mL volume of 0.200 M NH3(Kb=1.8*10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 25.0 mL of HNO3.
A buffer solution was prepared by adding 4.95 g of sodium acetate, NaCH3CO2, to 2.50 x 10^2 mL of 0.150 M acetic acid, CH3CO2H. What is the pH of the buffer?
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