10-2 moles of HCL care added to 1 liter of distilled water at 25c . find...
10-2 moles of HCL care added to 1 liter of distilled water at 25c . find [H+], [OH-] and [Cl-] for this solution, what is the pH of the solution? demonstrate that [HCL] is negligible. assume that activity coefficients are unity.
Homework Answers
Add Answer to:
10-2 moles of HCL care added to 1 liter of distilled
water at 25c . find...
find the pH of the 25C solution resulting from the addition of (1) 10-2 moles of H2A to 1 liter of distilled water and (...
find the pH of the 25C solution resulting from the addition of (1) 10-2 moles of H2A to 1 liter of distilled water and (2) 10-2 moles of Na2A to 1 liter of distilled water. here pKa,1=4 and pKa,2=8.
10-7 moles of the strong acid HNO3 are added to 1 Lt of distilled water at...
10-7 moles of the strong acid HNO3 are added to 1 Lt of distilled water at 25 oC. What is the pH of the solution? Assume that activity coefficients are unity. Show all the assumptions you make.
7. In each of the following questions, assume that there is no volume change when HCl is added to water in part (a) or t...
7. In each of the following questions, assume that there is no volume change when HCl is added to water in part (a) or the phosphate buffer in part (c). (a) Calculate the pH when 0.021 moles of HCl are added to 1.000 liter of water. (b) What is the difference between the pH of pure water (pH 7.00) and the pH of the solution after HCl was added? (c) Calculate the pH when 0.021 moles of HCl are added...
How many moles of H 3 O^ + must you add to a liter of strong...
How
many moles of H 3 O^ + must you add to a liter of strong acid
solution to adjust its pH from 3.58 to 4.08 ? Assume a negligible
volume change.
How many moles of H30 or OH must you add to a liter of strong acid solution to adjust its pH from 3.58 to 4.08? Assume a negligible volume change. H30 x 10 m oles 011 per liter OUT
1. If 1.70 x 10-4 moles of Agt(aq) dissolves per liter of water when AglO3 is...
1. If 1.70 x 10-4 moles of Agt(aq) dissolves per liter of water when AglO3 is dissolved, what is the Ksp for AgIO3 ? 2. If you have a solution of Cat2 that has a concentration of 0.050 M, and you adjust the pH of the solution to 8.00, will Ca(OH)2 precipitate. (Ksp for Ca(OH)2 = 6.5 x 106) 3. Determine the concentration of fluoride ion in a saturated solution of PbF2 (in moles/liter), if the Ksp = 3.6 x...
A mixture of 0.0500 moles of each of the following is prepared in 1.000 L of...
A mixture of 0.0500 moles of each of the following is prepared in 1.000 L of DI water: HCl (large Ka) CH3COOH, acetic acid (Ka = 1.8x10-5) C6H5OH, phenol (Ka = 1.6x10-10) 1. Account for all activity coefficients and for the changes caused by the solution having an ionic strength that should not be neglected by including the appropriate activity coefficients, determine the concentrations of the species listed below at equilibrium in the solution: HCl, Cl-, H3O+, CH3COOH, CH3COO-, C6H5OH,...
REPOSTING: observing pH changes in Water and Buffer solutions. the amount added of HCl and NaOH...
REPOSTING: observing pH changes in Water and Buffer
solutions.
the amount added of HCl and NaOH are both 25mL.
the buffer solution is made of 2grams of NaC2H3O2 and
4 mL of 6M HC2H3O2 in a 50 mL solution (46mL of water). the
solution will contain 2.4x10^-2 mol each of NaC2H3O2 a d
HC2H3O2.
question:
how to answer it (I'm not sure I'm doing it right and
want an expert to double check):
I need help calculating the theoretical and...
If 3 drops of HCl is added to two vials of liquid, one containing distilled water,...
If 3 drops of HCl is added to two vials of liquid, one containing distilled water, the other containing phosphate buffer, what will happen to the pH in each and how will they compare?
#10 Calculate the solubility ( in moles per liter) of Al(OH)3 ( Ksp=2*10^-32) in each of...
#10 Calculate the solubility ( in moles per liter) of Al(OH)3 ( Ksp=2*10^-32) in each of the following. A. Water Solubility= B. a solution buffered at pH=4.0 C. a solution buffered at pH=9.0
the analysis of a sample of ground water shows 44.9g/liter of Na+,6.6g/liter of Ca+,81.9g/liter of Cl-,and 1.0g/liter of...
the analysis of a sample of ground water shows 44.9g/liter of Na+,6.6g/liter of Ca+,81.9g/liter of Cl-,and 1.0g/liter of SO4 2-. No other ions are present in appreciable amounts except H+ or OH-.Is the solution acid or alkaline ,in the chemical sense?Approximately what is its pH?
How
many moles of H 3 O^ + must you add to a liter of strong acid
solution to adjust its pH from 3.58 to 4.08 ? Assume a negligible
volume change.
How many moles of H30 or OH must you add to a liter of strong acid solution to adjust its pH from 3.58 to 4.08? Assume a negligible volume change. H30 x 10 m oles 011 per liter OUT
1. If 1.70 x 10-4 moles of Agt(aq) dissolves per liter of water when AglO3 is dissolved, what is the Ksp for AgIO3 ? 2. If you have a solution of Cat2 that has a concentration of 0.050 M, and you adjust the pH of the solution to 8.00, will Ca(OH)2 precipitate. (Ksp for Ca(OH)2 = 6.5 x 106) 3. Determine the concentration of fluoride ion in a saturated solution of PbF2 (in moles/liter), if the Ksp = 3.6 x...
REPOSTING: observing pH changes in Water and Buffer
solutions.
the amount added of HCl and NaOH are both 25mL.
the buffer solution is made of 2grams of NaC2H3O2 and
4 mL of 6M HC2H3O2 in a 50 mL solution (46mL of water). the
solution will contain 2.4x10^-2 mol each of NaC2H3O2 a d
HC2H3O2.
question:
how to answer it (I'm not sure I'm doing it right and
want an expert to double check):
I need help calculating the theoretical and...
Most questions answered within 3 hours.
-
(CO 2) A field can be added to a report to
values for two or more...
asked 1 hour ago -
Identify 3 research scenarios that might provide a low,
medium, and high degree of variability in...
asked 1 hour ago -
how
does gravity affect the trajectory of projectile? what would be the
shape of the trajactory...
asked 2 hours ago -
Two small plastic spheres are given positive electrical charges.
When they are a distance of 15.4...
asked 2 hours ago -
An acidic solution containing gold ions is
electrolyzed, producing gaseous oxygen (from water) at the anode...
asked 3 hours ago -
Assume that the population of Mexico is 128
million and that the population increases 1.01
percentannually....
asked 4 hours ago -
Can someone please help me add appropriate descriptive
comments to each line of code in the...
asked 4 hours ago -
Romeo wishes to throw a bouquet of flowers to Juliet, who is on
a second-story balcony,...
asked 5 hours ago -
Why is QE a controversial monetary policy tool.
A. It may lead to excessive inflation.B. By...
asked 5 hours ago -
Principles of Programming midterm study guide help!
1.)
______ Which of the following would reference the...
asked 4 hours ago -
A finite potential well has depth U0 = 2.78 eV . What is the
penetration distance...
asked 5 hours ago -
1. The bus bars of a power station are in two sections A and B
separated...
asked 5 hours ago