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WorksheetsSolubility, Math Review, and Density
Total questions: 16
Worksheet time: 32mins
Name
Class
Date
1.
Solubility is defined as...
The amount of _______ that can be dissolved at a given ________ to form a _______ solution.
The amount of _______ that can be dissolved at a given ________ to form a _______ solution.
a)
Solute, solvent, saturated
b)
Solute, temperature, supersaturated
c)
Solute, temperature, saturated
d)
Solvent, temperature, saturated
2.
What is the solubility of KBr at 10 degrees C?
a)
62 grams
b)
70 grams
c)
50 grams
d)
10 grams
3.
If I add 70 grams of KBr in 100 mL of water at 10 degrees C, it would be...
a)
unsaturated
b)
saturated
c)
supersaturated
d)
solubility
4.
If I add 50 grams of KBr in 100 ml of water at 10 degrees C, it would be...
a)
unsaturated
b)
saturated
c)
supersaturated
d)
solubility
5.
How much NaCl will dissolve in 200 mL of water at 70 degrees Celsius?
a)
38 grams
b)
38*2 = 76 grams
c)
38/2 = 19 grams
d)
no NaCl will dissolve
6.
If D = 5 g/mL and V= 10 mL,
What is mass??
What is mass??
a)
M=DV= 50 g
b)
M=D/V = 0.5 g
c)
M= V/D = 2 g
d)
none of above
7.
I have a metal cube with mass= 10 g and side length 2 cm. What is the Density of the cube?
(Vcube = l*w*h=L3) D = M/V
(Vcube = l*w*h=L3) D = M/V
a)
1.25 g / cm^3
b)
0.8 g / cm^3
c)
80 g/cm^3
d)
.1 g/ cm^3
8.
The unit for volume can be written as cm^3 or ______
a)
grams
b)
mL
c)
mg
d)
just cm
9.
Volume = 50 mL
Density = 5 g / mL
mass = ????
(Hint: cover up what you want to find. then multiply if left -right or divide if top-bottoms)
Density = 5 g / mL
mass = ????
(Hint: cover up what you want to find. then multiply if left -right or divide if top-bottoms)
a)
M = D/V = .1 g
b)
M = V/D = 10 g
c)
M = V*D = 250 g
d)
m=0 grams
10.
0.00056 = __________
a)
5.6*104
b)
5.6*10-4
c)
5.6*105
d)
5.6*10-5
11.
7865 = ________
a)
7.865*103
b)
7.865*10-3
c)
7.865*104
d)
7.865*103-4
12.
Convert the following:
15 Hm = _____ cm
15 Hm = _____ cm
a)
150000 cm because i move decimal 4 places to right
b)
0.0015 cm because i move decimal 4 places to left
c)
15000 cm because i move decimal 3 places to right
d)
0.015 cm because i move decimal 3 places to left
13.
Thinking about the different phases of matter, what would you say is generally most dense??
a)
Solid
b)
Liquid
c)
Gas
14.
The density of water =____
(CHECK YOUR UNITS)
a)
0.5 g/cm^3
b)
1.0 g/ml
c)
1.5 g
d)
1.0 cm^3
15.
If a substance with a density of 1.2 g/cm3 is submerged in water (d= 1.0g/cm3), what will happen?
a)
The substance will float
b)
the substance will sink
16.
A rock is submerged in a graduated cylinder and the water level rose from 20 mL to 25 mL. The rock had a mass of 10 g. What was the density?
a)
D =0.4 g/mL
b)
D= 2.0 g/mL
c)
D = 0.5 g/mL
d)
D= 2.5 g/ml
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