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Sebanyak 100 mL larutan basa kuat monoprotik memiliki pH = 11 + log 3. Konsentrasi dari basa tersebut sebesar ….

 

Sebanyak 100 mL larutan basa kuat monoprotik memiliki pH = 11 + log 3. Konsentrasi dari basa tersebut sebesar ….

  1. 0,00015 M

  2. 0,0003 M

  3. 0,0015 M

  4. 0,003 M

  5. 0,004 M

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S. Lubis

Master Teacher

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Pembahasan

begin mathsize 12px style pOH equals 14 minus pH pOH equals 14 minus left parenthesis 11 plus log invisible function application 3 right parenthesis pOH equals 3 minus log straight 3 open square brackets OH to the power of minus close square brackets equals 10 to the power of negative left parenthesis 3 minus log straight 3 right parenthesis end exponent open square brackets OH to the power of minus close square brackets equals 10 to the power of log invisible function application 3 end exponent 10 to the power of negative 3 end exponent open square brackets OH to the power of minus close square brackets equals 3 cross times 10 to the power of negative 3 end exponent open square brackets basa close square brackets cross times valensi equals open square brackets OH to the power of minus close square brackets open square brackets basa close square brackets cross times 1 equals 3 cross times 10 to the power of negative 3 end exponent open square brackets basa close square brackets equals 3 cross times 10 to the power of negative 3 end exponent equals 0 , 003 straight straight M end style 

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Larutan basa kuat monoprotik sebanyak 100 mL memiliki pH = 10 + log 4. Konsentrasi dari basa tersebut sebesar ….

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