EVALUATION Solubility and Solubility Product

8/12/2019 EVALUATION Solubility and Solubility Product

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EVALUATION OF

SOLUBILITY AND SOLUBILITY PRODUCT

FOR

XI SCIENCE SEMESTER II

SENIOR HIGH SCHOOL


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GROUP DISCUSSION

GROUP 1st

1. In a beaker glass, equilibrium saturated solution of lead (II) chromate

Reaction Pb!rO" (s) Pb#$

(aq) $ !rO"#%

(aq), the solubilit& 'roduct constant

(s') in equilibrium is ...

#. t a certain tem'erature the solubilit& of aluminum h&dro*ide in +ater is .#- mol/,

the mass of aluminum h&dro*ide that can be dissol0ed in # m/ of +ater at the same

tem'erature is ... (r l #2, 3 1 and O 14)

5. In an e*'eriment is 'ro0ided - m/ saturated solution of 6n(O3)# (s' 6n(O3)#

".. 1%17

), from the information can be determined the concentration of O3%

ions in a

saturated solution is ...

GROUP #nd

1. t a tem'erature of #-8! into #- ml of +ater +as dissol0ed !a(O3)# +as onl& able

to dissol0e as much as .52 mg, from the e*'eriment can be determined that the

solubilit& of !a(O3)# in +ater is ... (r !a ", 3 1, O 14)

#. Gi0en s' /#!rO" is " * 1%1#

, then /$

ion concentration is ...

5. 9he solubilit& of barium sulfate, :a;O", is 5." * 1%"

gm/ of +ater at -o!.


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GROUP -th

1. In 1 ml of +ater can dissol0e g#!rO" 1." * 1%1#

mol. 9he solubilit& 'roduct of

g#!rO" is ...

#. t a certain tem'erature s' of !r(O3)# 1.7 * 1

%1A

. ;olubilit& of !r(O3)# is ...5. t a certain tem'erature, the solubilit& of PbI# in +ater is 1.- * 1

%5mol/. :ased on

these data s' of PbI# is ...

GROUP 4th

1. If the s' of !a(O3)# " * 1%4

, the solubilit& of !a(O3)# (?r 2") in #- ml of

solution is ...

#. ;olubilit& of !a(O3)# (?r 2") in 1 ml of +ater is .141 g. 9he solubilit& 'roduct

is ...

5. If the concentration of !a#$

in !a># saturated solution of # * 1%"

mol/ the solubilit&

'roduct of !a># is ...


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EXAMINATION

Grade BI science

9o'ic ;olubilit& and ;olubilit& Product

9ime 1# minutes

ns+er the follo+ing questions correctl& on &our ans+er sheet, do b& &oursel0es and be

confident to &our ans+ers.

1. In a beaker glass, equilibrium saturated solution of lead (II) chromate

#%Reaction Pb!rO" (s) Pb#$

(aq) $ !rO"

in equilibrium is ...

(aq), the solubilit& 'roduct constant (s')

#. t a certain tem'erature the solubilit& of aluminum h&dro*ide in +ater is .#- mol/, the

mass of aluminum h&dro*ide that can be dissol0ed in # m/ of +ater at the same

tem'erature is ... (r l #2, 3 1 and O 14)

5. In an e*'eriment is 'ro0ided - m/ saturated solution of 6n(O3)# (s' 6n(O3)# "..

1%17

), from the information can be determined the concentration of O3%

ions in a

saturated solution is ...

". t a tem'erature of #-8! into #- ml of +ater +as dissol0ed !a(O3)# +as onl& able to

dissol0e as much as .52 mg, from the e*'eriment can be determined that the solubilit&

of !a(O3)# in +ater is ... (r !a ", 3 1, O 14)

-. Gi0en s' /#!rO" is " * 1%1#

, then /$

ion concentration is ...

4. 9he solubilit& of barium sulfate, :a;O", is 5." * 1%"

gm/ of +ater at -o!.


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1#. t a certain tem'erature s' of !r(O3)# 1.7 * 1%1A

. ;olubilit& of !r(O3)# is ...

15. t a certain tem'erature, the solubilit& of PbI# in +ater is 1.- * 1%5

mol/. :ased on

these data s' of PbI# is ...

1". If the s' of !a(O3)# " * 1%4

, the solubilit& of !a(O3)# (?r 2") in #- ml of

solution is ...

1-. ;olubilit& of !a(O3)# (?r 2") in 1 ml of +ater is .141 g. 9he solubilit& 'roduct is

...

14. If the concentration of !a#$

in !a># saturated solution of # * 1%"

mol/ the solubilit&

'roduct of !a># is ...

12. student is conducting e*'eriments in the laborator& +ith the aim of stud&ing the

relationshi' bet+een solubilit& and s'. >rom the data kno+n s' g!l 1.1%1

and

?r g!l 1"5.- then the mass of g!l that can be dissol0ed in " m/ of +ater is ...

17. In the e*'eriments +hich took 'lace at a tem'erature of #-o! data obtained the solubilit&

of g:r in a solution of g@O5 .# ? is ".-.1%11

, from the the e*'erimental data the

solubilit& of g:r in +ater is ...

1A. 9he solubilit& /(O3)#, at a certain tem'erature is -,.1%"

?. 9he saturated solution of

/(O3)# at that tem'erature has the '3 of ...

#. !a#$

, ;r#$

,:a#$

,and Pb#$

ions are found in a solution.


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#2. student dissol0es the com'ound Pb!l# into 1 m/ of +ater at a tem'erature of #-8!

so there are some Pb!l#'reci'itate, and the solution taken e0er& 1 m/ contains 157.-

mg Pb!l#. !alculate the solubilit& 'roduct of Pb!l#, if r Pb #4 and !l 5-.-.

#7. Gi0en the solubilit& of >e(O3)# in +ater #.1%-

mol/, +hen >e(O3)# +as dissol0ed in a

solution ha0ing a '3 1# $ log #. !alculate the solubilit& of >e(O3)# in the solution.

#A. Gi0en s' g!l 1.4 * 1%1. Determine the the solubilit& of g!l in the follo+ing

solutions

a. solution of g@O5 .1 ?

b. solution of @a!l .# ?

5. Gi0en s' g#!rO" #." * 1%1#

. Determine the solubilit& of g#!rO" in follo+ing

solution

a. g@O5 .1 ?

b. @a#!rO" .1 ?

51. If - ml of g@O5 solution 1%"

? is mi*ed +ith - ml @a!l solution # * 1%4

?. Is

g!l 'reci'itate formed= (s' g!l 1.4 * 1%1

)

5#. 1 m/ of .# ? @a!l solution +as mi*ed +ith 1 m/ of Pb(!35!OO)# .1 ? if the

s' Pb!l# 1.4 * 1%4 then 'reci'itation of Pb!l# does not occur, the solution is e*actl&

saturated or there are 'reci'itate of Pb!l#=

55. Gi0en the 0alue of s' of sil0er sulfide at a tem'erature of #- 8 ! is 5.# * 1%11.

!alculate ho+ man& grams of sil0er sulfate should be dissol0ed in 1 m/ of solution, in

order to obtain a saturated solution of sil0er sulfate= (r g 17, ; 5#, O 14)

5". certain amount of magnesium chloride is dissol0ed in sodium h&dro*ide solution +ith

'3 1#. !alculate the minimum concentration of magnesium chloride solution in order

to obtain the same solution saturated +ith magnesium h&dro*ide= (s' ?g(O3)#1%11

)

5-. In a solution of !a!l# and :a!l# are res'ecti0el& .1 ?. 9his solution +as dro''ed

slo+l& +ith a solution of @a#;O". ;u''ose that the 0olume of the solution does not

change +ith the addition of @a#;O" solution.

a.


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54. Public s+imming 'ool are often chlorinated to kill bacteria. s an alternati0e to

chlorination, sil0er ions can be used in a concentration of not more than 1%4

mol dm%5

and not less than 1%2

mol dm%5

of sil0er ions.


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(aq) $ :r% (aq)


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Documents

EVALUATION Solubility and Solubility Product