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Jika kedalam 50 mL larutan penyangga dengan pH=5 d...

Jika kedalam 50 mL larutan penyangga dengan pH=5 ditambahkan 50 mL akuades, maka...undefined 

  1. pH akan naik sedikitundefined 

  2. pH akan turun sedikitundefined 

  3. pH tidak berubahundefined 

  4. pH naik drastisundefined 

  5. pH turun drastisundefined 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank Volume end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank awal end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank V end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 1 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank pH end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 5 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets H to the power of plus sign close square brackets end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 10 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank to the power of negative sign 5 end exponent end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank M end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets H to the power of plus sign close square brackets end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank a end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator fraction numerator mol space asam space lemah over denominator V 1 end fraction over denominator fraction numerator mol space garam over denominator V 1 end fraction end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets H to the power of plus sign close square brackets end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank a end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator fraction numerator mol space asam space lemah over denominator V 1 end fraction over denominator fraction numerator mol space garam over denominator V 1 end fraction end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets H to the power of plus sign close square brackets end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank a end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cross times end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator V 1 over denominator mol space garam end fraction end cell end table bold left square bracket H to the power of bold plus sign table attributes columnalign right center left columnspacing 0px end attributes row right square bracket equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank subscript italic a end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator bold mol bold space bold asam bold space bold lemah over denominator bold mol bold space bold garam end fraction end cell end table end style    

Jika ditambahkan 50 mL akuades maka:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank V end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 2 end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank V end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 1 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank plus end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 50 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank space end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank mL end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets H to the power of plus sign close square brackets end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank subscript a end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cross times end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator fraction numerator mol space asam space lemah over denominator V 2 end fraction over denominator fraction numerator mol space garam over denominator V 2 end fraction end fraction end cell end table left square bracket H to the power of plus sign table attributes columnalign right center left columnspacing 0px end attributes row right square bracket equals K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank subscript a end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cross times end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator fraction numerator mol space asam space lemah over denominator V 2 end fraction over denominator fraction numerator mol space garam over denominator V 2 end fraction end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets H to the power of plus sign close square brackets end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank subscript a end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cross times end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator mol space asam space lemah over denominator V 2 end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cross times end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator V 2 over denominator mol space garam end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank bold left square bracket end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank H end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank to the power of bold plus end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank bold right square bracket end table table attributes columnalign right center left columnspacing 0px end attributes row blank bold equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank K end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank subscript italic a end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank bold cross times end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator bold mol bold space bold asam bold space bold lemah over denominator bold mol bold space bold garam end fraction end cell end table end style  

Jadi dapat disimpulkan bahwa penambahan 50 mL akuades tidak akan mengubah pH.

Oleh karena itu, jawaban yang benar adalah C.undefined 

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