1. According to the Arrhenius concept, if Ca(OH) 2 were dissolved in water, it would act as  a. a source of H- ions. b. an acid. c. a proton donor. d. a base. f. a source of hydronium ions.   2.The reaction below is an example of a __________ equilibrium.   PCl 5( s)    PCl 3( l) + Cl 2( g)   3. The conjugate base of H 2PO 4 - is

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Chapter17: Equilibrium
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1. According to the Arrhenius concept, if Ca(OH) were dissolved in water, it would act as 

a. a source of H- ions.
b. an acid.
c. a proton donor.
d. a base.
f. a source of hydronium ions.
 
2.The reaction below is an example of a __________ equilibrium.

  PCl 5( s)    PCl 3( l) + Cl 2( g)
 
3. The conjugate base of H 2PO 4 - is

 

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