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A solution consisting of 100 mL of the weak base 1.0 M NH3 is titrated with 1.0 M HCl. Which of the following is false?
A) At the equivalence point, the solution is acidic.
B) When 200 mL of HCl solution has been added, the solution is acidic.
C) Halfway to the equivalence point, the pH is 9.25.
D) The equivalence point is reached when 100 mL of HCl solution has been added.
E) The pH at the equivalence point is 7.
If 6.01 grams of Nh3 reacts completely, how many grams of water should theoretically be produced?
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A sample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 K. What is the new pressure when the temperature is changed to 336 K and the volume is decreased to 450. milliliters?
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