Top of Form
Which of the following salts would give you the lowest concentration of
lead ions in solution if you placed 1 mole of the salt in a liter of
water?
d. PbCrO4 Ksp= 1.8 x 10-14
Answer is D
Bottom of Form
Question 2
Top of Form
Which of the following salts would give you the lowest concentration of
sulfate ions in solution if you placed 1 mole of the salt in a liter of
water?
Answer is C
Bottom of Form
Top of Form
Which of the following salts would give you the highest concentration
of calcium ions in solution if you placed 1 mole of the salt in a liter
of water?
Answer is C
Bottom of Form
Top of Form
Which of the following salts would give you the lowest concentration of
calcium ions in solution if you placed 1 mole of the salt in a liter of
water?
d. CaHPO4 Ksp= 2.7 x 10-7
Answer is A
Bottom of Form
(10 points)
Top of Form
Which of the following salts would give you the highest concentration
of hydroxide ions in solution if you placed 1 mole of the salt in a
liter of water?
d. Zn(OH)2 Ksp= 4.5 x 10-17
Answer is B
Bottom of Form
(10 points)
Top of Form
What mass of potassium bicarbonate (KHCO3) must be added to 500 mL of a
0.200 M carbonic acid solution to make a buffer with pH = 6.30?
d. 8.33 g
Answer is D
Bottom of Form
Top of Form
Which of the following salts would give you the lowest concentration of
hydroxide ions in solution if you placed 1 mole of the salt in a liter
of water?
d. Zn(OH)2 Ksp= 4.5 x 10-17
Answer is C
Bottom of Form
Top of Form
What mass of NH4Cl must be added to 500 mL of a 0.150 M NH3 solution to
make a buffer with pH = 9.50?
d. 2.31 g
Answer is B
Bottom of Form
Question 9
Top of Form
What mass of NH4Cl must be added to 200 mL of a 0.200 M NH3 solution to
make a buffer with pH = 9.30?
Answer is A
Bottom of Form
Question 10
Top of Form
Which of the following salts would give you the highest concentration
of phosphate ions in solution if you placed 1 mole of the salt in a
liter of water?
d. Sr3(PO4)2 Ksp= 1.0 x 10-31
Answer is B
Bottom of Form
Chemistry Homework Solutions
#21866
Chemistry Practice Problem Set
Everything is already answered I just need to know if I am on the right track, please help I am really struggling with chemistry and I absolutly need to know how to do these problems correctly, so if I am wrong can you please tell me were my error is.
-----------
Which of the following salts would give you the lowest concentration of lead ions in solution if you placed 1 mole of the salt in a liter of water?
a. PbSO4 Ksp= 1.8 x 10-8
b. PbCO3 Ksp= 1.5 x 10-13
c. PbSeO4 Ksp= 1.5 x 10-7
d. PbCrO4 Ksp= 1.8 x 10-14
Answer is D
Question 2
Which of the following salts would give you the lowest concentration of sulfate ions in solution if you placed 1 mole of the salt in a liter of water?
a. BaSO4 Ksp= 1.1 x 10-10
b. CaSO4 Ksp= 2.4 x 10-5
c. SrSO4 Ksp= 2.8 x 10-7
d. PbSO4 Ksp= 1.8 x 10-8
Answer is C
Question 3
Which of the following salts would give you the highest concentration of calcium ions in solution if you placed 1 mole of the salt in a liter of water?
a. CaCO3 Ksp= 3.8 x 10-9
b. CaCrO4 Ksp=7.1 x 10-4
c. CaSO4 Ksp= 2.4 x 10-5
d. CaHPO4 Ksp= 2.7 x 10-7
Answer is C
Question 4
Which of the following salts would give you the lowest concentration of calcium ions in solution if you placed 1 mole of the salt in a liter of water?
a. CaCO3 Ksp= 3.8 x 10-9
b. CaCrO4 Ksp=7.1 x 10-4
c. CaSO4 Ksp= 2.4 x 10-5
d. CaHPO4 Ksp= 2.7 x 10-7
Answer is A
Question 5 (10 points)
Which of the following salts would give you the highest concentration of hydroxide ions in solution if you placed 1 mole of the salt in a liter of water?
a. Fe(OH)2 Ksp= 7.9 x 10-15
b. Ca(OH)2 Ksp= 7.9 x 10-6
c. Ni(OH)2 Ksp= 2.8 x 10-16
d. Zn(OH)2 Ksp= 4.5 x 10-17
Answer is B
Question 6 (10 points)
What mass of potassium bicarbonate (KHCO3) must be added to 500 mL of a 0.200 M carbonic acid solution to make a buffer with pH = 6.30?
a. 8.73 g
b. 4.55 g
c. 24.07 g
d. 8.33 g
Answer is D
Question 7
Which of the following salts would give you the lowest concentration of hydroxide ions in solution if you placed 1 mole of the salt in a liter of water?
a. Fe(OH)2 Ksp= 7.9 x 10-15
b. Ca(OH)2 Ksp= 7.9 x 10-6
c. Ni(OH)2 Ksp= 2.8 x 10-16
d. Zn(OH)2 Ksp= 4.5 x 10-17
Answer is C
Question 8
What mass of NH4Cl must be added to 500 mL of a 0.150 M NH3 solution to make a buffer with pH = 9.50?
a. 1.14 g
b. 2.54 g
c. 6.97 g
d. 2.31 g
Answer is B
Question 9
What mass of NH4Cl must be added to 200 mL of a 0.200 M NH3 solution to make a buffer with pH = 9.30?
a. 1.95 g
b. 1.12 g
c. 2.34 g
d. 1.11 g
Answer is A
Question 10
Which of the following salts would give you the highest concentration of phosphate ions in solution if you placed 1 mole of the salt in a liter of water?
a. Ba3(PO4)2 Ksp= 1.3 x 10-29
b. Ca3(PO4)2 Ksp= 1.0 x 10-25
c. Pb3(PO4)2 Ksp= 3.0 x 10-44
d. Sr3(PO4)2 Ksp= 1.0 x 10-31
Answer is B
The solution provides and easy to follow explanation of the concepts and gives all mathematical steps wherever necessary.
What is this?
By OTA - Overall OTA Rating
Kishore V.C., PhD (IP) - 4.8/5
Purchase Cost Now
$2.19 CAD (was ~$15.96)
Included in Download
- Plain text response
- Attached file(s):
- Chem 2 Practice 5.doc
Why you can trust BrainMass.com
- Your Information is Secure
- Best Online Academic Help Service
- Students find real academic Success
- An analytical chemist determines that an estuarine water sample contains 1.5 g/L of sulfate ion. - An analytical chemist determines that an estuarine water sample contains 1.5 g/L of sulfate ion. What is the concentration in terms of (a) g/L of S (b) molar concentration of sulfate (c) n ...
- Molar and Concentration - If 4.oo mL of 0.0250 M CuSO4 is diluted to 10.0 mL with pure water, what is the molar concentration of copper (II) sulfate in the dilute solution? ______________________________ molar A 10.0-m ...
- General Chemistry - A quantity of 5.25 g of NaOH is dissolved in a sufficient amount of water to make up exactly 1L of solution. What is the molarity of the solution?
- Convert to mg/L from Molarity - Convert to mg/L using dimensional analysis: 0.01 N Ca+2. Here is additional info: salt is CaCl2 1M HCO3 0.02 N H2SO4 0.02 M SO4 2- (i.e)sulfate ion
- Molarity - 5. Calculate the sodium ion concentration when 60.0 mL of 6.0 M sodium carbonate is added to 30.0 mL of 1.0 M sodium bicarbonate.
