BALANCING EQUATIONS EQUATIONS - COMBUSTION OF ORGANIC COMPOUNDS -- Quiz
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3
Question 1. Balance the following equation. What is the sum of the coecients of the reactants? C71!"# $ %%%% "&
a'
1!
('
1&
c'
)
*'
+
e'
11
%%%% C"& $ %%%% &"
Question &. Balance the following equation. What is the sum of the coecients of the reactants? C1&&&"11 $ %%%% "&
a'
1!
('
7
c'
1#
%%%% C"& $ %%%% &"
*'
1&
e'
)
Question #. Balance the following equation an* choose the quantit, which is the sum of the coecients of the reactants. C++"& $ %%%% "&
a'
)
('
7
c'
1!
*'
11
e'
+
%%%% C"& $ %%%% &"
BALANCING EQUATIONS - MISC. -- Quiz
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3
Question 1. Balance the following equation. What is the sum of the coecients of the reactants? %%%% -( $ %%%% &" $ %%%% "& %%%% -("'&
a'
/
('
0
c'
*'
+
e'
1!
Question &. Balance the following equation an* choose the quantit, which is the sum of the coecients of the reactants? %%%% Mg#-"0'& $ %%%% C %%%% Mg#-& $ %%%% C"
a'
7
('
+
c'
)
*'
/
e'
Question #. Balance the following equation for the o2i*ation of ta(le sugar sugar.. What is the coecient of o2,gen in the (alance* equation? %%%% C1&&&"11 $ %%%% "& %%%% C"& $ %%%% &"
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3
Question 1. ow man, grams of Cl are 3ro*uce* from 1.&# g TiCl0 accor*ing to the following reaction? 4tomic weights5 Ti 6 07.)! Cl 6 #.0 6 1.!!+'. TiCl0 $ & &"
a'
!.)0/
('
!./&0
c'
!.#++
*'
!.+1&
e'
!.07&
Ti"& $ 0 Cl
Question &. 4s3irin C)+"0' which man, stu*ents take after a chemistr, e2am is 3re3are* (, the reaction of salic,lic aci* C7/"#' with acetic anh,*ri*e C0/"#' accor*ing to the following equation. ow man, grams of salic,lic aci* must (e use* to 3re3are two grain as3irin ta(lets? 1 gram 6 1.0 grains' 4tomic weights5 C 6 1&.!1 " 6 1/.!! 6 1.!!+'. C7/"# $ C0/"#
C)+"0 $ C&0"&
a'
!.0)+
('
!.&10
c'
!.)))
*'
!.7//
e'
!./0)
Question #. What mass of 8 #4s"0 can (e 3re3are* (, the reaction of 7.1! g of #4s"0 with an e2cess of 8"? 4tomic weights5 8 6 #).1!9 4s 6 70.)&9 " 6 1/.!!9 6 1.!!+'. #4s"0 $ # 8" a'
1&.+
('
1!.1
c'
11.)
*'
11.0
e'
1!.+
8 #4s"0 $ # &"
LIMITING REAGENT -- Quiz
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Question 1.
3
What mass of -(: & will 3reci3itate when &.7 g -(;"#'& reacts with &.&+ g of 8:? 4tomic weights5 -( 6 &!7.& : 6 1&/.)! ; 6 10.!1 " 6 1/.!! 8 6 #).1!'. -(;"#'& $ & 8:
a'
#.)7
('
&.10
c'
0.1)
*'
#.17
e'
&.+
-(:& $ & 8;"#
Question &. ow man, grams of Cl<# can (e 3ro*uce* from 1&.0 g of chlorine an* 10.! g of =uorine? 4tomic weights5 Cl 6 #.0 < 6 1).!'. Cl& $ # <&
a'
1).#
('
&/.0
c'
&1.#
*'
&&.7
e'
&!.1
& Cl<#
Question #. >iler tarnishes in the 3resence 3r esence of h,*rogen sul@*e accor*ing to the following equation. ow much 4g&> is 3ro*uce* from a mi2ture of !.)! g 4g !.10! g &> an* !.!+!! g "&? 4tomic weights5 4g 6 1!7.+) " 6 1/.!! 6 1.!!+ > 6 #&.!/'. 0 4g $ & &> $ "&
& 4g&> $ & &"
a'
1.#&
('
1.!7
c'
1.0
*'
1.!&
e'
1.&1
PERCENT YIELD WITH LIMITING REAGENTS -- Quiz
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3
Question 1. The mass of >&Cl& forme* when /.!! g of sulfur reacts with /.!! g of chlorine is ). g. What is the 3ercent ,iel*? 4tomic weights5 > 6 #&.!/ Cl 6 #.0'. >+ $ 0 Cl &
Question &.
a'
+#.1
('
+0.+
c'
+1.#
*'
+&.0
e'
+!.
0 >&Cl&
The mass of Ai&" forme* when &.!! g of lithium reacts with &.!! g of o2,gen is #.!& g. What is the 3ercent ,iel*? 4tomic weights5 Ai 6 /.)0 " 6 1/.!!'. 0 Ai $ "&
a'
+!.7
('
+#.+
c'
+1.#
*'
+&.!
e'
7+.&
& Ai&"
Question #. The mass of & 3ro*uce* (, reaction of 1./! g <e an* &.!! g Cl is !.!! g. What is the 3ercent ,iel*? 4tomic weights5 <e 6 .+ Cl 6 #.0 6 1.!!+'. <e $ & Cl
a'
)1.#
('
)&.0
c'
+).+
*'
)!.0
e'
++.)
<eCl& $ &
DETERMINE MOLES FROM VOLUME AND MOLARITY -- Quiz
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3
Question 1. etermine the num(er of moles of solute 3resent in 01/ mA of #.7 M Br solution. 4tomic weights5 Br 6 7).) 6 1.!!+'.
a'
1.)+
('
1.+)
c'
1./
*'
1.71
e'
1.&#
Question &. etermine the num(er of moles of solute 3resent in 1& mA of 1.&0 M ;aCl"#. 4tomic weights5 Cl 6 #.0 " 6 1/.!! ;a 6 &&.))'.
Question #.
a'
!.&1&
('
!.11&
c'
!.1++
*'
!.10&
e'
!.!)&&
etermine the num(er of moles of solute 3resent in &.! mA of !.1+1& M 8Mn"0 solution. 4tomic weights5 8 6 #).1! Mn 6 0.)0 " 6 1/.!!'.
a'
.&0 2 1!0
('
&.0& 2 1!0
c'
0.# 2 1!0
*'
1.+# 2 1!0
e'
#.1& 2 1!0
DETERMINE MASS FROM MOLARITY AND VOLUME -- Quiz
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3
Question 1. etermine the mass g' of solute require* to form &7 mA of a !.0&#! M 8Cl"# solution. 4tomic weights5 8 6 #).1! " 6 1/.!! Cl 6 #.0'.
a'
1&.&
('
10.#
c'
1)./
*'
1.)7
e'
0.&1
Question &. etermine the mass g' of solute require* to form 0!.! mA of a 1.!! M Cl solution. 4tomic weights5 6 1.!!+ Cl 6 #.0'.
a'
&).
('
1/.0
c'
&0.&
*'
1+./
e'
&&.&
Question #. etermine the mass g' of solute require* to form &!.! mA of a !.&! M ;aC; solution. 4tomic weights5 ;a 6 &&.)) C 6 1&.!1 ; 6 10.!1'.
a'
&.7&
('
#.!/
c'
&.)1
*'
#.&1
e'
&.1
DILUTION OF SOLUTIONS -- Quiz
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3
Question 1. 4 solution is 3re3are* (, *issoling 1/. mg of o2alic aci* C&&"0' to make 1!!.! mA of solution. 4 1!.!! mA 3ortion is then *ilute* to &!.! mA. What is the molarit, of the @nal solution? 4tomic weights5 C 6 1&.!1 6 1.!!+ " 6 1/.!!'.
a'
.7#7 2 1!&
('
.7#+ 2 1!&
c'
.7#7
*'
&.&) 2 1!#
e'
&.&)
Question &. <luo2,mesterone C&!&)<"# is an ana(olic steroi*. 4 solution is 3re3are* (, *issoling 1!.! mg of the steroi* in !!.! mA of water. water. 4 1.!! mA 3ortion of this solution is *ilute* to a @nal olume of 1.!! A. What is the resulting molarit,? 4tomic weights5 C 6 1&.!1 " 6 1/.!! < 6 1).!! 6 1.!!+'.
Question #.
a'
&.#+ 2 1!11
('
1.1) 2 1!7
c'
1.1) 2 1)1!
*'
.)0 2 1!+
e'
.)0 2 1!11
4 solution containing ;i&$ is 3re3are* (, *issoling 1.0+ g of 3ure nickel in nitric aci* an* *iluting to 1.!! A. 4 1!.!! mA aliquot is then *ilute* to !!.! mA. What is the molarit, of the @nal solution? 4tomic weight5 ;i 6 +.7!'.
a'
.!/ 2 1!#
('
!.!&#
c'
&.# 2 1!0
*'
.!/ 2 1!0
e'
!.!!/
SOLUTION STOICHIOMETRY - CALCULATE MOLES OR MASS -- Quiz
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3
Question 1. ow man, moles of calcium car(onate CaC" # are require* to react with the sulfuric aci* in #7.0 mA of a !.)7#0 M solution of &>"0? 4tomic weights5 Ca 6 0!.!+ C 6 1&.!1 " 6 1/.!!'. CaC"#s' $ &>"0aq' Ca>"0s' $ &" $ C"&
a'
!.1&/
('
!.1+&)
c'
!.#/0
*'
!.+&#+
e'
!.71#&
Question &. ow man, moles of siler nitrate 4g;"# are require* to react with the calcium chlori*e in 10.)/ mA of a &.&00 M solution of CaCl &? & 4g;"#aq' $ CaCl&aq' & 4gCls' $ Ca;"#'&aq'
a'
1.#0# 2 1!1
('
#.#7 2 1!&
c'
/.71 2 1!&
*'
#.#7 2 1!#
e'
1.#0# 2 1!&
Question #. ow man, moles of so*ium h,*ro2i*e ;a" are require* to react with the h,*rochloric aci* in && mA of a !.1!! M Cl solution? 4tomic weights5 " 6 1/.!! 6 1.!!+ Cl 6 #.0 ;a 6 &&.))'. ;a"aq' $ Claq'
a'
&.& 2 1!1
('
&.& 2 1!#
c'
&.& 2 1!&
;aClaq' $ &"l'
*'
0.00 2 1!&
e'
0.00 2 1!1
SOLUTION STOICHIOMETRY - DETERMINE VOLUME -- Quiz
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3
Question 1. What olume in A of !.!#+ M >cCl # is require* to react with &&.! mA of !.1#! M 4g;"#? 4tomic weights5 >c 6 00.)/ Cl 6 #.0 4g 6 1!7.+7 ; 6 10.!1 " 6 1/.!!'. >cCl# $ # 4g;"#
a'
!.!/)!
('
!.!#1
c'
!.00
*'
!.!70&
e'
!.!&0+
# 4gCl $ >c;"#'#
Question &. What olume of !.!)1/ M BaCl& will react com3letel, with !.07 g of ;a &>"0? 4tomic weights5 Ba 6 1#7.## > 6 #&.!1 Cl 6 #.0 ;a 6 &&.)) " 6 1/.!!'. BaCl& $ ;a&>"0
Ba>"0 $ & ;aCl
a'
##.0
('
#1.&
c'
01./
*'
&+.+
e'
#/.
Question #. What olume in mA of !.11#! M 4g;"# is require* to react with 1!.!! mA of !.!)01! M 8 &Cr"0 to form 4g&Cr"0? 4tomic weights5 4g 6 1!7.+7 Cr 6 &.!! 8 6 #).1! ; 6 10.!1 " 6 1/.!!'. & 4g;"# $ 8 &Cr"0 a'
&#.&
('
+.##
c'
10.&&
*'
11./&
e'
1/./
4g&Cr"0 $ & 8;"#
STOICHIOMETRY STOICHIOMETR Y - DETERMINE MOLARITY -- Quiz
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Question 1.
3
The titration of &.! mA of 3otassium *ichromate solution with !.!#! M <e&$ solution requires &7. mA of the iron solution. What is the molarit, of the 3otassium *ichromate? 4tomic weights5 <e 6 .+ Cr 6 &.!! " 6 1/.!!! 6 1.!!+'. 10 $ $ / <e&$ $ Cr&"7& / <e#$ $ & Cr #$ $ 7 &"
a'
!.!/0&
('
!.!#+
c'
!.!
*'
!.
e'
!.!!/0&
Question &. 4 .!! mA solution of (atter, aci* &>"0' requires 1/.& mA of &.1) M so*ium h,*ro2i*e solution. What is the molarit, of the t he sulfuric aci*? & ;a" $ &>"0
a'
.&
('
7.1&
c'
!.#/
*'
!.71&
e'
#./
;a&>"0 $ & &"
Question #. What is the molar concentration >n &$ ions in a solution if !! mA are titrate* with &1.# mA of !.1!/ M Ce 0$ solution? 4tomic weights5 Ce 6 10!.1& >n 6 11+./+'. & Ce0$ $ >n&$