HW 08ANS
REVIEW QUESTIONS
Chapter 8
- Identify each of the diagrams below as strong electrolyte, weak electrolyte or nonelectrolyte:
(a)
(b)
(c)
(d)
(a) Non-electrolyte (no ions present)
(b) Weak electrolyte (few ions present)
(c) Strong electrolyte (mostly ions present)
(d) Strong electrolyte (only ions present)
2. Identify the predominant particles in each of the following solutions and write the equation for the formation of the solution:
a)
(b) Weak electrolyte (few ions present)
(c) Strong electrolyte (mostly ions present)
(d) Strong electrolyte (only ions present)
2. Identify the predominant particles in each of the following solutions and write the equation for the formation of the solution:
a)
b)
c)
- How many equivalents are present in 5.0 g of
?
- An intravenous replacement solution contains
of ions. How many grams of are in 3.0 L of the solution?
- Calculate the mass percent
or ) for each of the following solutions:
a) 25 g of KCl in
b) 75 g of NaOH in 325 mL of solution
- Calculate the molarity of the following solutions:
a) 0.50 mol sugar in 270 mL of solution.
b) 17.0 g of
- Calculate the moles of solute needed to prepare each of the following solutions:
a) 450 mL of 0.20 M KBr solution.
b) 2.0 L of 1.5 M NaOH solution.
- Calculate the mass of solute needed to prepare each of the following solutions:
a) 2.0 L of 1.8 M NaOH solution.
b) 250 mL of
c) 750 mL of
- What volume ( mL ) of a 4.0 M solution of KCl contains 0.100 moles of solute?
- What volume ( mL ) of a 1.5 M solution of NaCl contains 25.0 g of solute?
- How many liters of a
glucose solution would contain 75 g of glucose?
- A patient receives an IV containing
glucose solution at the rate of 35 mL in 1 hour. How many grams of glucose does this patient receive after 12 hours?
- Use the solubility graph below to answer the following questions:
a) Which substance has the greatest solubility at?
b) What is the solubility of KCl at
c) A sample of
Solubility of
150 mL of water
14. Indicate whether each of the following is soluble or insoluble in water:
a)
b) KCl soluble .
c)
d) PbS insoluble.
e)
f)
15. For each reaction below, write the net ionic equation to show the formation of a precipitate. If no precipitate occurs, write "No Reaction" after the arrow.
a)
150 mL of water
14. Indicate whether each of the following is soluble or insoluble in water:
a)
b) KCl soluble .
c)
d) PbS insoluble.
e)
f)
15. For each reaction below, write the net ionic equation to show the formation of a precipitate. If no precipitate occurs, write "No Reaction" after the arrow.
a)
Net Ionic Equation
b)
b)
No precipitate forms since the two possible products formed
c)
Net Ionic Equation
d)
Net Ionic Equation
16. Complete and balance the following chemical equations:
a)
b)
c)
17. How many mL of a
c)
Net Ionic Equation
d)
Net Ionic Equation
16. Complete and balance the following chemical equations:
a)
b)
c)
17. How many mL of a
- Calculate the molarity of a solution prepared by mixing 250 mL of
with 150 mL of water.
- What is the final volume, in mL , when 5.00 mL of 12.0 M NaOH is diluted to 0.600 M ?
- Determine the osmolarity and tonicity of each of the following solutions:
a) 0.15 M KCl
b) 0.12 M sucrose
c)
d)
d)