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Nilai K sp ​ Ca ( OH ) 2 ​ dan Mg ( OH ) 2 ​ adalah 6 , 5 × 1 0 − 6 dan 7 , 1 × 1 0 − 12 . pH terbaik untuk memisahkan campuran di mana masing-masing Ca 2 + dan Mg 2 + memiliki konsentrasi 0,1 M adalah ....

Nilai dan adalah dan . pH terbaik untuk memisahkan campuran di mana masing-masing dan memiliki konsentrasi 0,1 M adalah ....

  1. 2,50

  2. 6,25

  3. 11,75

  4. 13,45

  5. 14,10

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Jawaban terverifikasi

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jawaban yang paling mendekatiadalah pH = 11,61 (C)

jawaban yang paling mendekati adalah pH = 11,61 (C)

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Nilai dan adalah dan . pH terbaik untuk memisahkan campuran di mana masing-masing dan memiliki konsentrasi 0,1 M adalah .... Menentukan konsentrasi ion dari larutan Reaksi ionisasi adalah: Menentukan konsnetrasi ion dari dari larutan Reaksi ionisasi adalah: Menentukan konsentrasi ion campuran Menentukan pOH larutan Menentukan pH larutan Jadi, jawaban yang paling mendekatiadalah pH = 11,61 (C)

Nilai begin mathsize 14px style K subscript sp space Ca open parentheses O H close parentheses subscript 2 end style dan begin mathsize 14px style Mg open parentheses O H close parentheses subscript 2 end style adalah begin mathsize 14px style 6 comma 5 cross times 10 to the power of negative sign 6 end exponent end style dan begin mathsize 14px style 7 comma 1 cross times 10 to the power of negative sign 12 end exponent end style. pH terbaik untuk memisahkan campuran di mana masing-masing begin mathsize 14px style Ca to the power of 2 plus sign end style dan begin mathsize 14px style Mg to the power of 2 plus sign end style memiliki konsentrasi 0,1 M adalah ....

  • Menentukan konsentrasi ion begin mathsize 14px style O H to the power of minus sign end style dari larutan begin mathsize 14px style Ca open parentheses O H close parentheses subscript 2 end style 

Reaksi ionisasi begin mathsize 14px style Ca open parentheses O H close parentheses subscript 2 end style adalah:

begin mathsize 14px style Ca open parentheses O H close parentheses subscript 2 yields Ca to the power of 2 plus sign and 2 O H to the power of minus sign space space space space space space space space space space space space space space space space space space 0 comma 1 space space space space space space space space space 2 s end style  

begin mathsize 14px style 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 sp end cell 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 Ca end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open parentheses O H close parentheses end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank subscript 2 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 cell open square brackets Ca to the power of 2 plus sign close square brackets open square brackets O H to the power of minus sign close square brackets squared end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 6 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank comma 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 cross times 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 6 end exponent 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 cell left parenthesis 0 comma 1 right parenthesis left parenthesis 2 s right parenthesis squared end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank s 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 cell square root of fraction numerator 6 comma 5 cross times 10 to the power of negative sign 6 end exponent over denominator 0 comma 4 end fraction end root end cell end table s 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 cell square root of 16 comma 25 cross times 10 to the power of negative sign 6 end exponent end root end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank s 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 4 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank comma end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank 03 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 10 end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell blank to the power of negative sign 3 end exponent end cell 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 M end table end style     

begin mathsize 14px style open square brackets O H to the power of minus sign close square brackets equals 2 s open square brackets O H to the power of minus sign close square brackets equals 2 cross times 4 comma 03 middle dot 10 to the power of negative sign 3 end exponent open square brackets O H to the power of minus sign close square brackets equals 8 comma 06 cross times 10 to the power of negative sign 3 end exponent space M end style 

  • Menentukan konsnetrasi ion begin mathsize 14px style O H to the power of minus sign end style dari dari larutan begin mathsize 14px style Mg open parentheses O H close parentheses subscript 2 end style 

Reaksi ionisasi begin mathsize 14px style Mg open parentheses O H close parentheses subscript 2 end style adalah:

begin mathsize 14px style Mg open parentheses O H close parentheses subscript 2 yields Mg to the power of 2 plus sign and 2 O H to the power of minus sign space space space space space space space space space space space space space space space space space space 0 comma 1 space space space space space space space space space 2 s end style  

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell K blank subscript sp space Mg open parentheses O H close parentheses subscript 2 end cell equals cell open square brackets Mg to the power of 2 plus sign close square brackets open square brackets O H to the power of minus sign close square brackets squared end cell row cell 7 comma 1 cross times 10 to the power of negative sign 12 end exponent end cell equals cell left parenthesis 0 comma 1 right parenthesis left parenthesis 2 s right parenthesis squared end cell row s equals cell square root of fraction numerator 7 comma 1 cross times 10 to the power of negative sign 12 end exponent over denominator 0 comma 4 end fraction end root end cell row s equals cell square root of 17 comma 75 cross times 10 to the power of negative sign 12 end exponent end root end cell row s equals cell 4 comma 21 cross times 10 to the power of negative sign 6 end exponent space M end cell end table end style   

Error converting from MathML to accessible text. 

  • Menentukan konsentrasi ion undefined campuran

begin mathsize 14px style open square brackets O H to the power of minus sign close square brackets equals fraction numerator open square brackets O H to the power of minus sign close square brackets subscript 1 plus open square brackets O H to the power of minus sign close square brackets subscript 2 over denominator 2 end fraction open square brackets O H to the power of minus sign close square brackets equals fraction numerator left parenthesis 8 comma 06 cross times 10 to the power of negative sign 3 end exponent right parenthesis plus left parenthesis 8 comma 42 cross times 10 to the power of negative sign 6 end exponent right parenthesis over denominator 2 end fraction open square brackets O H to the power of minus sign close square brackets equals fraction numerator 8 comma 06842 cross times 10 to the power of negative sign 3 end exponent over denominator 2 end fraction open square brackets O H to the power of minus sign close square brackets equals 4 comma 03421 cross times 10 to the power of negative sign 3 end exponent space M end style 

  • Menentukan pOH larutan

begin mathsize 14px style pOH equals minus sign log space open square brackets O H to the power of minus sign close square brackets pOH equals minus sign log space 4 comma 03421 cross times 10 to the power of negative sign 3 end exponent pOH equals 3 minus sign log space 4 comma 03421 end style 

  • Menentukan pH larutan

size 14px pH size 14px equals size 14px 14 size 14px minus sign size 14px pOH size 14px pH size 14px equals size 14px 14 size 14px minus sign size 14px left parenthesis size 14px 3 size 14px minus sign size 14px log size 14px space size 14px 4 size 14px comma size 14px 03421 size 14px right parenthesis size 14px pH size 14px equals size 14px 11 size 14px plus size 14px log size 14px space size 14px 4 size 14px comma size 14px 03421 size 14px pH size 14px equals size 14px 11 size 14px plus size 14px 0 size 14px comma size 14px 61 size 14px pH size 14px equals size 14px 11 size 14px comma size 14px 61  

 

Jadi, jawaban yang paling mendekati adalah pH = 11,61 (C)

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