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Larutan  0,01 M, harga , nilai konsentrasi ion  la...

Larutan begin mathsize 14px style C H subscript 3 C O O H end style 0,01 M, harga begin mathsize 14px style K subscript a equals 1 comma 8 cross times 10 to the power of negative sign 5 end exponent end style, nilai konsentrasi ion begin mathsize 14px style H to the power of plus sign end style larutan tersebut adalah ....undefined 

  1. begin mathsize 14px style 8 cross times 10 to the power of negative sign 7 end exponent end style 

  2. begin mathsize 14px style 4 comma 2 cross times 10 to the power of negative sign 6 end exponent end style 

  3. begin mathsize 14px style 2 comma 4 cross times 10 to the power of negative sign 6 end exponent end style 

  4. begin mathsize 14px style 4 comma 2 cross times 10 to the power of negative sign 4 end exponent end style 

  5. begin mathsize 14px style 2 comma 4 cross times 10 to the power of negative sign 4 end exponent end style 

Jawaban:

Larutan undefined merupakan asam lemah.

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open square brackets H to the power of plus sign close square brackets end cell equals cell square root of K subscript a cross times M space C H subscript 3 C O O H end root end cell row blank equals cell square root of 1 comma 8 cross times 10 to the power of negative sign 5 end exponent cross times 10 to the power of negative sign 2 end exponent end root end cell row blank equals cell 4 comma 2 cross times 10 to the power of negative sign 4 end exponent end cell end table end style 


Jadi, jawaban yang tepat adalah D.

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