Name
Periodhe
1. Densityis a RATIOthat describesttp relationbetueen
and volumeof a substance.
2. Tnrc or false: Th€ densrty of different sizes of sdeelbar will be different
3. Write the formula for densityhere
Write the triangleto helpyou rememberthe formuta.
It may helpyou to breaka densityproblemdownintothe threepossibleunknotrrns:
density,mass,and volume.
Do thiswith# 4,5,6.
4. What is the densityof a gaswtrichweighs2.50g and takesup 1.50L of space?
[\f =
Noltruork the problem:
\r/ =
a. writethe equation
p=
b. reanangethe equationif necessary
c. substitutein the valuesyou knon
d. Solvefor the valueyou don'tknolr
5. Follovtr
the sameprocedurefor this que$ion: Hydrochloricacid has a densityof 1.U g/ml. 30.0g of acid are
needed.What volumewill providethe 30.09?
ffi=
!=
p=
6. What is the massof 50.0mL of ethylalcohot,if its density= 0.789 gtmL?
ffi=
\r/ =
[=
7. ff the densityof zinc is 7.2 g/ml, howmanygramsare containedin 3.8 cm3of zinc?
8. lf 100.0g of copperare neededto producea reaction,horl manycm3of copperwill this be? The densityof
copperis 8.9 g/ml.
9. Whd is the densityof nrercurytt 7.35mL of mercuryweighs100.0g?
1. Converting LENGTHS
(NOTE:
the
(
) is to practice abbreviations)
Ouantity Unit
Ouantify Unit
translates to
I
I
Hleters (
I
centirpters (_)
I
millireters (
I
rniliimeters t___J
)
)
2. Converting MASS
I
Kilogram (---)
--------- >
srams(
1
i gram (-)
---------->
milligrams(_)
)
3. Converting VOLUME
1
)
miUiliterL
-------->
cubic centimeter
liter (
)
6illiliters (
liter (
)
cubic centimeten (-)
4. CONVERTTHE FOLLOWING UNITS :
A.
4.cm=
mm=
m=
Km
B.
1 9 . 3m =
K-m=
Inrn =
cm
C.
27.Km--
Cm=
m=
mm
D.
271j IrIm=
Km=
m=
cm
E.
2176.Km =
cm=
Inm =
m
F.
1 . 9m =
IT1IN=
Km=
cm
U.
0.0054Km =
m=.
INIT1 =
cm
H.
l.mm=
Km= - r n =
Y
2 1 6 .K m =
cm=
Irun =
m
J.
8 . 9 9L =
cc=
mL=
cm3
K.
350cc =
mL=
l=
cm3
L.
5ml=
cc=
l=
cm3
M.
4500cm3 =
cc=
ml=
L
.
27. Kg =
g
o,
320O.g=
Kg
I
N
cm
)