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WorksheetsSolutions
Total questions: 23
Worksheet time: 2hrs 44mins
Name
Class
Date
1.
Contains the maximum amount of dissolved solute
a)
unsaturated solution
b)
supersaturated solution
c)
saturated solution
2.
What is a substance that is dissolved in another substance?
a)
solution
b)
solute
c)
solvent
d)
compound
3.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
4.
salt water is a
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
5.
Another name for a homogeneous mixture is
a)
an element.
b)
a solution.
c)
a compound.
6.
Kool-Aid - Powder, sugar, and water
Identify the solvent
Identify the solvent
a)
water
b)
powder
c)
sugar
d)
powder and sugar
7.
What is the correct formula to solve for the Molarity of a solution that has .4 moles of HCl in 9.5 L of solution?
a)
M = 9.5 L / .4 mol
b)
M1V1=M2V2
c)
M = .4 mol / 9.5 L
d)
none of the other choices
8.
A sample of 0.0255 mol potassium hydroxide, KOH, was dissolved in water to yield 10.0 mL of
solution. Which amount would you need to change to solve for molarity?
solution. Which amount would you need to change to solve for molarity?
a)
change .0255 moles to grams
b)
change 10 mL to L
c)
change both values to grams and L
d)
leave it as it is
9.
A questions asks, "what volume of 0.125 M KMnO4 is required to yield 0.180 mol of potassium permanganate,
KMnO4?" What is the correct formula set up to solve for this problem?
KMnO4?" What is the correct formula set up to solve for this problem?
a)
.125 M = .180 mol / L
b)
M1 V1 = M2 V2
c)
.125 M = L / .180 mol
d)
none of the choices listed
10.
Which of the following would decrease the rate of solution when dissolving a solid in water?
a)
Raise the temperature of the solution
b)
Crush the solid before mixing
c)
Stir the solution after mixing
d)
Use a single cube of solid
11.
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?
a)
2
b)
3
c)
4
d)
6
12.
What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?
a)
0.018 M
b)
0.0011 M
c)
1.052 M
d)
0.062 M
13.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
14.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
15.
If there is excess hydrogen ions, the solution will be...
a)
acidic
b)
basic
16.
If an acid has a pH of 1.4 will it be strong or weak?
a)
strong
b)
weak
17.
At what pH is a solution neutral?
a)
0
b)
7
c)
14
18.
At what pH is a solution neutral?
a)
0
b)
7
c)
14
19.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
20.
Which solution releases H+ in solution?
a)
Base
b)
Acid
c)
Buffer
d)
Water
21.
What might happen if you mixed a strong acid with an equally strong base?
a)
You would see an explosive chemical reaction.
b)
The acid would destroy the base.
c)
The base would destroy the acid.
d)
You'd wind up with a pH-neutral substance.
22.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
23.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide -->
Hydrochloric acid + magnesium hydroxide -->
a)
Magnesium chloride + water
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas
d)
Magnesium chloride + water + carbon dioxide
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