Pertanyaan

Hasil kali kelarutan Cr ( OH ) 3 pada suhu 289 K adalah 1 , 08 × 1 0 − 9 , maka kelarutan adalah sebesar .... mol L − 1 .

Hasil kali kelarutan $Cr (OH)_{3}$ pada suhu 289 K adalah $1, 08 \times 1 0^{- 9}$ , maka kelarutan Cr open parentheses O H close parentheses subscript 3 adalah sebesar .... $mol L^{- 1}$ .

J. Siregar

Master Teacher

Mahasiswa/Alumni Universitas Negeri Medan

Jawaban terverifikasi

Jawaban

kelarutan adalah .

kelarutan

Cr open parentheses O H close parentheses subscript 3

adalah

8 cross times 10 to the power of negative sign 6 end exponent space mol space L to the power of negative sign 1 end exponent

Pembahasan

Kelarutan dapat dihitung berdasrkan data hasil kali kelarutan. Jadi, kelarutan adalah .

Kelarutan Cr open parentheses O H close parentheses subscript 3 dapat dihitung berdasrkan data hasil kali kelarutan.

$table attributes columnalign right center left columnspacing 0px end attributes row cell Cr open parentheses O H close parentheses subscript 3 end cell rightwards harpoon over leftwards harpoon cell Cr to the power of 3 plus sign and 3 O H to the power of minus sign end cell row blank blank cell space space space space s space space space space space space space space space space space space space s space space space space space space space space space 3 s end cell row blank blank blank row cell K subscript sp end cell equals cell open square brackets Cr to the power of 3 plus sign close square brackets open square brackets O H to the power of minus sign close square brackets cubed end cell row blank equals cell s cross times open parentheses 3 s close parentheses cubed end cell row blank equals cell 27 s to the power of 4 end cell row s equals cell fourth root of K subscript sp over 27 end root end cell row blank equals cell fourth root of fraction numerator 1 comma 08 cross times 10 to the power of negative sign 19 end exponent over denominator 27 end fraction end root end cell row blank equals cell fourth root of 0 comma 4 cross times 10 to the power of negative sign 20 end exponent end root end cell row blank equals cell 0 comma 8 cross times 10 to the power of negative sign 5 end exponent end cell row blank equals cell 8 cross times 10 to the power of negative sign 6 end exponent end cell end table$

Jadi, kelarutan adalah .