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DISSOLVED SALTS

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DISSOLVED SALTS

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One in Ten Millionmolecules of

Water is ionizedinto Hydrogenand Hydroxylions

esidualconducti!ity ofWater "#"$ microsiemens%cm#

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SO&TE'I'(

)reci*itation of )racticallyinsolu+le su+stances from

A,ueous solutions is of ma-orim*ortance in Water Treatment

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SOL./LIT0 )OD.1T

- )roduct of t2e concentration ofdissol!ed ions at a gi!entem*erature 3 A 1onstant

E4AM)LE

Mg SO$ Mg5 55 SO$33

'a OH 'a55 OH3

MgSO$5 6'aOH Mg7OH86 5

'a6SO$

SOL./LIT0 )OD.1T O& Mg7OH86

9:x;"3;;at 6"o1

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(E'EALL0 THE EA1TIO' WILL/E DIS)LA1ED I& O'E O& THE)OD.1TS O& EA1TI' IS

;# S)AI'(L0 SOL./LE

CaCl2+ Na2CO3 2Nacl + CaCo3

S)I'(L0 SOL./LE

6# O'L0 SLI(HTL0 DISSO1IATEDNaOH + Hcl Nacl + H2O

SLI(HTL0 DISSO1IATED

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SOL./ILIT0 O& I'O(A'I11OM)O.'DS

I' WATE1OM)O.'D

1a7H1O

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SODA LIME )O1ESS

1a7H1O

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DIS1OVE0 O& /ASE

E41HA'(E ('H$86SO$ 5 1a 1aSO$5

7'H$86

SOIL I' 1AL1I.M SOIL I' AMMO'I.M

&OM &OM

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EOLITES O (EE'

SA'DS- Minerals ex2i+iting 2ig2 ca*acity of

ion exc2ange

- .nsta+le in acid or alBaline conditions- .se generally limited to neutral Cater

- 1a 5 6 'acl 'a6 5 1acl6

.SED I' /ASE

E41HA'(E

)O1ESS

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S.L)HO'ATED 1OAL

- Ion exc2ange material *roducedfrom certain ty*es of coal treatedCit2 26so$

- Sta+le o!er Cide *H range

- Ha!ing greater ca*acity o!erzeolites

CaCl2 + H2Z Ca Z + 2 HClS.L)HO'ATED

1OAL I' H6&OM

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SO.1E O& AW WATE3DEE) /OEWELL

1ATIO'S AS 1a1O< A'IO'S AS 1a1O