Roboguru

Tentukan  dalam larutan yang memiliki pH berikut: a.   2 - log 3 b.   3,125 (pergunakan kalkulator)

Pertanyaan

Tentukan open square brackets H to the power of plus sign close square brackets dalam larutan yang memiliki pH berikut:

a.   2 - log 3

b.   3,125 (pergunakan kalkulator)

Pembahasan Soal:

konsentrasi H to the power of plus sign untuk masing-masing nilai pH adalah sebagai berikut:

a.   pH = 2 - log 3

table attributes columnalign right center left columnspacing 0px end attributes row pH equals cell negative sign log space H to the power of plus sign end cell row cell 2 minus sign log space 3 end cell equals cell negative sign log space H to the power of plus sign end cell row cell negative sign log space left parenthesis 3 cross times 10 to the power of negative sign 2 end exponent right parenthesis end cell equals cell negative sign log space H to the power of plus sign end cell row cell H to the power of plus sign end cell equals cell 3 cross times 10 to the power of negative sign 2 end exponent M end cell end table 

b.   3,125

table attributes columnalign right center left columnspacing 0px end attributes row pH equals cell negative sign log space H to the power of plus sign end cell row cell 3 comma 125 end cell equals cell negative sign log space H to the power of plus sign end cell row cell negative sign log space 10 to the power of negative sign 3 comma 125 end exponent end cell equals cell negative sign log space H to the power of plus sign end cell row cell H to the power of plus sign end cell equals cell 10 to the power of negative sign 3 comma 125 end exponent M end cell row blank equals cell 7 comma 5 cross times 10 to the power of negative sign 4 end exponent M end cell row blank blank blank end table 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 27 April 2021

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