1.
An equation stating that two ratios are equal is called a(n) ______.
A.
cross product
B.
equivalent equation
C.
proportion
D.
rate
Hint
2.
Solve the proportion
=
A.
B.
-18
C.
4.5
D.
Hint
3.
Convert 42 inches to feet.
A.
3.5 ft
B.
7 ft
C.
18 ft
D.
504 ft
Hint
4.
Convert 18 L to mL.
A.
0.018 mL
B.
180 mL
C.
18,000 mL
D.
1.8 mL
Hint
5.
In chemistry, the smallest sample dealt with in the lab is called a mole. One mole of Carbon has a mass of 12.0 g. If you have 172.3 g of Carbon, how many moles do you have?
A.
0.12 mole Carbon
B.
0.07 mole Carbon
C.
14.4 moles Carbon
D.
18.6 moles Carbon
Hint