Name .# * ;l;:i:oii V{l -, mfifl,#fr-,J,fi?i In the space below, draw the mole map LEMS #1 ('f.,,*-- ''o'**o'7']{ i-il.,;^ *,,.*;i*} Example 1: A box of salt contains 737 gof NaCl. How many moles of NaCl are present in the box? |*Ja ' ci = Z^-?.0(- =-::i5?"5 po]*'ta5 Example 2:Howmany for*,f,, units of NaCl are present i of salt in Example 1? _ 12.to ,oo\ trl*d'l b.oZ r,O7) \ r."t 0,"L" h 6tact YL({ Example 3: Silver metal is used in the manufacture of tableware, mirrors, jewelry, and dental alloys. If the design for a piece of jewelry used 4.51 x 10ze atoms of silver, how many grams were used? =,ffi f".Xeot n"ok pr rldenr Practice Problems - Show all your work, including units, and answer in 3 sig figs. h$tr.,r.l L. Identifir and calculate the number of represeritative particles in 3.00 moles of aluminum sulfate, Alz(SO+):, a common ingredient found in antiperspirants. supplement or antacid. Calculate its molar mass. I c,, [1 "to.1 = 3O 3 )< [e.O -- qk ) tL I >r le,O : 'tt,'] \ )e { Name 3. to make a number of different alloys. What is the mass of lead present in an alloy containing 0.15 mol of lead? Lead, Pb, is used o.ls ^"[ UFo is a gas used 7a17 I rb Pb ,3l.o8 S Fb I # I *u\ Pb in the production of fuel for nuclear power plants. How many moles of the gas are in 1259 of UFs? Itfl= bF, iEa O ,7SS p''..,\** v F" S.et's UfA 5\Z- 5. CCIsCFs is a chlorofluorocarbon responsible for the destruction of the ozone layer in Earth's atmosphere. How many molecules of the liquid are in 1.009 of CClsCFs? zL,e{'r.pJ ?Ct ,3(}gs ; r =:t'.; >1 ,t1 5 I ,oo I r*.{ C wt*Jq Ct"(S {pPe 1 \(?s o fer*e$ X /{}*ffi I *l =\ 3 .zt x /oat CctjCns {ff Ibuprofen, an anti-inflammatory has the formula, CraHre0z. How many carbon atoms are present in 0.525 moles of ibuprofen? G.3zg b,oL/ I ftt* .r Ptlr<*iry r"o\ i b*v ,b, \3 I t C q-l-otns l* ir E 'l t*ulr.iie ":t L{.tly f O'{ ak*, oA t 1 C \3
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