What is the pH of a solution made by dissolving 1.8 g of
K2CO3 and 3.0...
What is the pH of a solution made by dissolving 1.8 g of
K2CO3 and 3.0 g of KHCO3 in 500.
mL of water? Use the Acid-Base Table. Please see Buffer pH for
assistance.
What is the pH of a buffer solution made by dissolving 10 g of
sodium acetate in 200 ml of 1M acetic acid? The Ka for acetic acid
id 1.7*10-5.
B. Calculate the pH of the solution if 10 ml of 0.100M HCl is
added to the solution.
C. What will the pH be if 5.00 ml of 0.150M NaOH was added to
solution in B?
D. Write the equation when an acid and a base are added to the...
Calculate the pH of the following buffer solutions: (a) a
solution made by dissolving 4.969 g KH2PO4 and 1.757 g K2HPO4 in
water to give 200. mL of solution. Stepwise acid dissociation
constants for phosphoric acid may be found in your textbook. (b) a
solution made by mixing 10.00 mL 0.29 M (CH3)2NH with 40.00 mL 0.17
M (CH3)2NH2Cl. The base dissociation constant Kb is 7.40 x 10-4 for
(CH3)2NH. Assume that the final volume is the sum of the...
What is the pH of a solution made by dissolving 2.81 grams of
calcium fluoride in enough water to make 450 mL of solution? The Ka
for HF is 6.8x10–4.
Write a chemical equation for the hydrolysis reaction that
explains why an aqueous solution of CH3NH3Cl is acidic.
Calculate the pH of a 1.22×10-2 M solution of the
decongestant ephedrine hydrochloride if the pKb of ephedrine (its
conjugate base) is 3.86.
a) what is the pH of a solution prepared by dissolving 13.1669 g
of ammonium sulfate in 850 mL of water?
b) how much 2M ammonium hydroxide is needed t make the pH of
6.25?
please show all work
1- What is the pH of a solution made by dissolving 3.26 grams of
calcium fluoride in enough water to make 3.0×102 mL of solution?
The Ka for HF is 6.8x10–4.
2- The Kb of dimethylamine [(CH3)2NH] is 5.90x10–4 at 25°C.
Calculate the pH of a 0.0930 M solution of
dimethylamine.
What is the osmotic pressure of a solution made by dissolving
85.0 g of glucose, C6H12O6, in enough water to form 175.0 mL of
solution at 17.0 ∘C ? Express your answer to three significant
figures and include the appropriate units.
A
solution is made by a dissolving 16.8 g of sodium fluoride , NaF ,
in enough water to make exactly 500.ml of solution . Calculate the
molarity of each species: NaF, Na+ and F-.