TestBankChapter17

TestBankChapter17 - General Chemistry 9e(Petrucci Chapter...

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General Chemistry, 9e (Petrucci) Chapter 17    Additional Aspects of Acid - Base Equilibria   1) 
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The  common ion in a mixture of a weak base and a strong base is the hydronium ion.  Answer:  
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True 
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  F Diff: 2  Refere nce:  Sectio n 17   T Answer:  
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True  F Diff: 2  Reference:  Section 17   T h e   p H   o f   a   b u f f er  soluti on  chang es  slightl y with  additi on of  small  amou nt of  acid  or  base.  Answer:  
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True  F Diff: 2  Reference:  Section 17   A   s t r o n g   a c id and  its  conju gate  base  will  form  buffer Answer:  
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True 
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  F Diff: 2  Refere nce:  Sectio n 17   T Answer:  
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True  F Diff: 2  Reference:  Section  17.2    T h e   c o l o r   c hange  range  of  most  acid - base  indica tors is  1 pH  unit.  Answer:  
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True 
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  F Diff: 1  Refere nce:  Sectio n 17   A Answer:  
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True  F Diff: 1  Reference:  Section 17   I n   t h e   t i t r a t i o n   o f a  soluti on of  HCN( aq)  with  NaO H(aq) , the  equiv alence  point  occur s at a  pH  greate r than  7.  Answer:  
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True  F Diff: 1  Reference:  Section  17.4    F o r   a n   a c c u r a te  titrati on,  the  end  point  needs  to  match  the  equiv alence  point.  Answer:  
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True  F Diff: 1  Reference:  Section 17   weak  acid - strong base will produce a longer vertical section of a  titration curve than will a strong acid - strong base.  A n s w e r: 
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