A 200 mL solution of .100 M solution of Ammonia, NH3, is slowly
mixed with .100...
A 200 mL solution of .100 M solution of Ammonia, NH3, is slowly
mixed with .100 M HCl. Determine the pH after addition of: 0 ml of
HCl, 50 mL of HCl, 100 mL of HCl, 200 mL of HCl, and 250 mL of
HCl.
A 200 mL solution of .100 M solution of Ammonia, NH3, is slowly
mixed with .100 M HCl. Determine the pH after addition of: 0 ml of
HCl, 50 mL of HCl, 100 mL of HCl, 200 mL of HCl, and 250 mL of
HCl.
A 200 mL solution of 0.100 M solution of Ammonia, NH3 , is
slowly mixed with 0.100 M HCl. Determine the pH after addition
of:
0 mL of HCl, 50 mL of HCl, 100 mL of HCl, 200 mL of HCl, 250 mL
of HCl
4. Describe in exact detail (including gram quantities and
identity of species) how you would create a 500 mL solution of
buffer with a pH 8.0 ?
Which solution should be mixed with 50.0 mL of 0.100M ammonia,
(NH3), to make
an effective buffer?
Select one:
a. 50.0 mL of 0.200 M HCl
b. 25.0 mL of 0.200 M HCl
c. 50.0 mL of 0.100 M HCl
d. 25.0 mL of 0.100 M HCl
A
solution of 100 mL of .200M sodium chromate is mixed with a
solution of 200 mL of 0.150M strontium nitrate. What is the is the
limiting reagent or reacting? How many grams of percipitate forms?
What is the concentration of spectator ions in the final mixture?
What is the concentration of the excess ion?
Denis titrates 25 mL of a 0.060 M solution of ammonia (NH3) with
a 0.020 M solution of hydrochloric acid. A) Write the chemical
equation that occurs B) Do you expect the pH of the solution to be
acidic, basic or neutral at the equivalence point? Explain. C)
Calculate the pH after 20 mL of HCl solution have been added. Hint:
Kb(NH3)=1.8*10-5
An aqueous solution contains 0.419 M
ammonia (NH3).
How many mL of 0.305 M perchloric
acid would have to be added to 150 mL of
this solution in order to prepare a buffer with a pH of
9.380.
mL
Calculate the ph of a solution that is 0.30 M in ammonia (NH3) and
0.20 M in ammonium chloride. Kb=1.76 x 10^-5
Then calculate the ph if you add 10 mL of 1.0 M HCl to 50 mL
of your solution in the problem above.
100 mL of .220 M copper ll chloride is mixed with 100 mL of .750
M sodium hydroxide according to the following equation:
CuCl2 + 2NaOH -->Cu(OH)2 + 2NaCl
1. What is the mass of solid product formed?
2. Calculate the concentration of Cu2+ remaining in
solution.
3. Calculate the concentration of OH- remaining in solution.
4. Calculate the concentration of Cl- remaining in solution
5. Calculate the concentration of Na+ remaining in solution.
When 200. mL of 0.40 M hydrochloric acid solution is mixed with
3.76 g of aluminum metal, how many moles of hydrogen gas would be
produced?
6HCl(aq) + 2Al(s) ā 2AlCl3(aq) + 3H2(g)