Sh o,r: 'a-tl
(o/ (^ lah'aus , ,\6/ jusj
Aans:cpef
S,
'o " ee.riJ''r'
'n/J. a6*
(1) What is the value of a roll of
ri'<
.nn z f,n
,.n499:/
(1') What is the mass of a mole of S?
nickels?
(2') What is the mass of a mole of Br?
(2) What is the value of a roll of
quarters?
nickels = lrollnickels =$
quarters =
-
1
atomsS = lmoleS
atomsBr =
(Jse
roil quarters -- $-
a9€
=-gS
rlg@e6
abo vQ
lmoleBr=-gBr
only the oboue equolitiet to onsudr the following guestions:
(3) How many nickels are in
3
rolls
ofnickels?
(4) What is the value of 3 rolls of
(3') How many atoms of S are in
3.00 mol S?
ug€
(4') What is the mass of 3.00 mol S?
nickels?
An guers
4+
-::
is
(5) How many rolls of quarters
"
(5') How many moles are in 53.8 g Br?
$soor
aba"<
(6) How many nickels are in
$500
(6') How many atoms are
in
1.5 g Br?
of nickels?
Answers: (1) $2
fro*.
(2)
$10
(2') 79.9 gBr (3') 1.81 x
(6') 1.I x LA22 atom Br
(3)
LO24
120
atoms
(4)
$6 (5) 50
S ( ') 96'3 g S
(6) 10,000 (11) 32.1 g
(5') 0.6?3 mol Br
S
-