Bahasa Inggris - Makalah Salt

8/12/2019 Bahasa Inggris - Makalah Salt

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The Group Task

Page 152-153

Activity 1: Questions and Problems1. Derive and write the formuas of the norma sats formed !" the

foowing a#ids and metas $the vaen#e indi#ated in theparenthesis%. Give the name of the sats.a. &uphuri# a#id and Potassium $1%

2K + H2SO4 K2SO4+ H2 K2SO4 ~> Potassium Sul!ate!. 'ar!oni# a#id and !arium $2% "a + H2#O$ "a#O$+ H2 "a#O$~> "arium #arbonate

#. &uphuri# a#id and (ron $3% 2%e + $H2SO4 %e2&SO4'$+ $H2

%e2&SO4'$~> %erric Sul!ate

2. )rite the #hemi#a formuas of the foowing satsa. *errous and *erri# 'horide %e#l2and %e#l$

!. 'uprous and 'upri# 'horide #u#l and #u#l2

#. &odium &uphate and Potassium 'ar!onate (a2SO4and K2#O$

3. Determine the vaen#e of the metas in the foowing neutra sats+

a. ,ithium suphate ,i&/ and &iver nitrate 0g3 +2+)*

,iSO4 t!e valence o- ,it!ium is 2

+1+.*)

A/(O$ t!e valence o- Silver is 1

!. 'admium &uphate 'd&/and ,ead #ar!onate P!'3 +2+)*

#dSO4 t!e valence o- #admium is 2


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+2+4*

Pb#O$ t!e valence o- ,ead is 2

#. 'hromium suphate 'r2$&/%3and &tanni# #horide &n'/

36

+

+

3

18

+

+

0+$ 0+) *24 t!e valence o- #!romium is $

#r2&SO4'$

+4 *4

Sn#l4 t!e valence o- Stannic is 4

/. ame of the foowing sats

a. a2and a3

(a(O2~> Sodium (itrite (a(O$~> Sodium (itrate

!. *e&/ and *e2$&/%3

%eSO4 ~> %errous Sul!ate%e2&SO4'$ ~> %erric Sul!ate

#. 'u' and 'u'2

#u#l ~> #urous #!loride #u#l2~> #uric #!loride

d. 2'3and 3P/

K2#O$~> Potassium #arbonate K$PO4~> Potassium P!os!ate

5. )rite the stru#tura formuas of the foowing neutra sats+

a. Potassium &uphate

K2SO4K O O

S

K O O

!. &odium 'ar!onate

(a2#O$(a O


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# O

(a O

#. 'a#ium &uphate

#aSO4O O

#a S

O O

d. 0uminium itrate

Al&(O$'$O

O (

O

O

Al O (

O

O

O (

O

e. 'a#ium itrate

#a&(O$'2O

O (

O

#a

O

O (

Of. *erri# &uphate

%e2&SO4'$O O

S

%e O O

O O

S


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O O

%e O O

S

O O

. Give the names and derive stru#tura formuas of the foowingsats+

a. a4&/

Sodium acid sul!ateSodium !ydro sul!ate

Sodium !ydro/en sul!ate

(a O OS

H O O

!. 4'3

Potassium acid carbonatePotassium !ydro carbonate

Potassium !ydro/en carbonate

K O# O

H O

#. 'a$4'3%2

#alcium acid carbonate#alcium !ydro carbonate

#alcium !ydro/en carbonate

H O# O

O

#a

O

# O

H O

d. a42P/


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Sodium acid !os!ateSodium !ydro !os!ate

Sodium !ydro/en !os!ate

(a O

H O P O

H O

e. 0$4%'2

asi# auminium #horideO H

Al #l

#l

f. 6g2$4%2'3

"asic ma/nesium carbonateH O

/

O

# O

O

/

O H

7. )hat are the formuas of the sats having the foowing names+

a. arium suphate

"aSO4!. 6agnesium nitrate

/&(O$'2#. Potassium suphide

K2Sd. Potassium phosphate

K$PO4e. *erri# nitrate

%e&(O$'$f. 'a#ium #ar!onate


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#a#O$

8. )rite the e9uations of severa rea#tions how the foowingsu!stan#es formed+

a. 'a#ium 'horide

#a + 2H#l #a#l2+ H2!. :in# &uphate

n + H2SO4 nSO4+ H2#. &iver itrate

A/OH + H(O$ A/(O$+ H2d. 0uminium &uphate

$H2SO4+ 2Al&OH'$ Al2&SO4'$+ )H2Oe. arium Phosphate

$"a + 2H$PO4 "a$&PO4'2+ $H2f. *erri# itrate

$H(O$+ %e&OH'$ %e&(O$'$ + $H2O

;. )rite the e9uations of neutrai


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1=. )rite the e9uations of severa rea#tion of in#ompeteneutrai


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e. a2'3? 4'

(a2#O$+ 2H#l 2(a#l + H2#O$f. a' ? 2&/

2(a#l + K2SO4 (a2SO4+ 2K#l

13. 'ompete the e9uation of the rea#tion that o##ur !etween thefoowing su!stan#es+

a. a2 ? &3

(a2O + SO$ (a2SO4!. 'a ? 25

#aO + (2O. #a&(O$'2#. 023? &3

Al2SO$+ $SO$ Al2&SO4'$d. 4 ? '2

2KOH + #O2 K2#O$+ H2Oe. 'a$4%2? &2

#a&OH'2+ SO2 #aSO$+ H2Of. a4 ? 25

2(aOH + (2O. 2(a(O$+ H2Og. 'a$4%2? &3

#a&OH'2+ SO$ #aSO4+ H2O

h. 'a$4%2? 25

#a&OH'2+ (2O. #a&(O$'2+ H2O

1/. )rite the e9uation of severa rea#tions !" means of whi#hea#h of the foowing su!stan#es #an !e o!tained +

a. 'a'3

#a&OH'2+ H2#O$ #a#O$+ 2H2O!. 0'3

Al2O$'$+ )(a#l 2Al#l$+ $(a2#O$#. a&/

"a&OH'2+ H2SO4 "aSO4+ 2H2Od. 6g$3%2


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/SO4+ 2H(O$ /&(O$'2+ H2SO4e. 'a$3%2

#a + 2H(O$ #a&(O$'2+ H2f. 02$&/%3

Al2O$+ $H2SO4 Al2&SO4'$+ $H2Og. *e'3

%eSO4+ #a#O$ %e#O$+ #aSO4h. a3$P/%2

2H$PO4+ $"aSO4 "a$&PO4'2+ $H2SO4i. 0P/

2Al + n$&PO4'2 2AlPO4+ $n

15. )hat new sats #an !e o!tained if :n&/and 0g3areavaia!e and aso a3P/and a'2> )rite the #orrespondinge9uations and give the names of the sats o!tained@

:n&/? 0g3

nSO4+ 2A/(O$ n&(O$'2+ A/2SO4 inc (itrate + Silver Sul!ate

a3P/? a'2

2(a$PO4+ $"a#l2 )(a#l + "a$&PO4'2

Sodium #!loride + "arium P!os!ate

1. )rite the e9uations of the intera#tion !etween potassiumh"droAide 4 and suphur dioAide &2. )hat is the name ofresuting sat> 4ow man" grams of potassium h"droAide are neededto produ#e 158 g of this sat>

2KOH + SO2 K2SO$+ H2O Potassium Sul!ite

9 1.5 /

mole 0mm

weight

mole K2SO40 g/mole158g8,15

0 351 mole


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mole KOH 01

2 351 mole 0 352 mole

;ei/!t 0 mole mm

; KOH0 352 mole .) /

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