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Unformatted text preview: . Density Worksheet
Name._KS"_;__—_ Section_____________
Chemistry 101 Density is the ratio of the mass of the substance to the volume of the substance at a given temperature. Density has units of g/ cm3 or g/c.c. or g/mL for liquids and
solids, and g/L for gases. Density is an intensive property. Density varies with change in temperature. 1. A goldcolored ring has a mass of 18.9 grams and a volume of 1.12 mL. Is
the ring pure gold? (The density of gold is 19.3 g/mL.) 4: l2? 1 )1 — ié’ N4 M2
‘ 344ng 1 csooy‘fﬁlmge? . [d “(1039
2. What/volume woulda0.871 gram sample of airoc py if e dens1 o 811;}. ’9 3 WM)
is 1.29 g L? 5 ‘
a” m/V) 5" V: Ma =Obﬂg/lﬁqé/L @475— L‘ 97’ 3. Pumice is volcanic rock that contains many trapped air bubblesTA 225
gram sample occupied 236.6 mL. What is the density of pumice? (Answer is 0.9 1 L ,_ ________ ..
5 g/m) 4: 23:); ¢ ppppppp W 93...... Will pumice ﬂoat on water? The density of water is 1.0 g/mL.) yea ) Hill (fl 0035‘ 4. A cup of sugar has a volume of 237 mL. What is the mass of the cup of
sugar if the density is 1.59 g/mL? (Ans. is 377 grams) 44g) 50 m=d\/= /.‘5‘)9~.;137 = 376.93 *9 ‘6‘ 5. Which has the greater mass, 1 liter of water or 1 liter of gasoline? The _
density of water is 1.00 g/mL and that of gasoline is appoximately 0.68 g/mL. ‘ gW/fmw.www{
b; [Moat H19); {.00}.M jrwowaoiaobm)  5/10 690 M W .
6. A crumpet recipe calls for 175 grams of ﬂour. According to Julia Child's M" '4’
data, the density of flour is 0.620 g / mL. How many mL of ﬂour are needed for this recipe? (Ans. is 282 mL) AWN :: m. .. m _. (75" .
4 u, 90 V’a 0‘? 2%; M “H”
(9 (WW
6,5 g ‘ L'n W
N’ QYN S'W 7. From their density values, decide whether each of the following
substances will sink or ﬂoat when placed in sea water, which has a density of 1.025 g/mL.
Gasoline 0.66 g /mL float Asphalt 1,2 g/mL Sink
Mercury 10.6 g/mL Sin/k Cork 0.26 g/mL f” 051' if M M 1‘015‘9/M; hams w‘vUmk.
16W) food. 8. Mercury is a liquid metal having a density of 13.6 g/mL. What is the
volume of 1.00 lb of mercury metal? (334 mL) 1 I5 = H53é j mwlwwmwmwy 9. A sample of lead is found to have a mass of 32.6 g. A graduated cylinder
contains 2.8 mL of water. After the lead sample is added to the cylinder the
mwater level reads 5.7 mL. Calculate the density of the lead sample. (11g/mL) ado/(cad 5ij
at ——i: d: L". = 3:31)} =//.:H/?
m. V '01qu mL
7% = 3&4 ; 2 ll 5
v= 5.799m a 10. A piece of magnesium is in the shape of a cylinder with a height of 5.62 cm {Q 5P5)
and a diameter of 1.34 cm. If the magnesium sample has a mass of 14.1 g,
{.511 m what is the density of the sample? (1.78 g / mL)
4: ﬂy. I? H 7 ' 2'
WA (5.62%. W] H I; 2730,13 /.77§?I2/"LC
v ’ 7 V: 10% . /\1 '1 .. ...
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This note was uploaded on 10/11/2009 for the course CHE 102 taught by Professor Maggie during the Fall '09 term at Wisc Whitewater.
 Fall '09
 Maggie
 Chemistry

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