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Hitunglah undefined dari senyawa berikut!

begin mathsize 14px style Al open parentheses O H close parentheses subscript 2 space 0 comma 01 space M end style 

M. Darry

Master Teacher

Mahasiswa/Alumni Universitas Indonesia

Jawaban terverifikasi

Pembahasan

Alumunium hidroksida merupakan senyawa basa lemah yang mengalami ionisasi sebagian dalam air, alumunium hidroksida memiliki nilai begin mathsize 14px style K subscript b equals 7 comma 2 cross times 10 to the power of negative sign 6 end exponent end style, maka;

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open square brackets O H to the power of minus sign close square brackets end cell equals cell square root of K subscript b cross times M end root end cell row blank equals cell square root of 7 comma 2 cross times 10 to the power of negative sign 6 end exponent cross times 0 comma 01 space M end root end cell row blank equals cell 2 comma 68 cross times 10 to the power of negative sign 4 end exponent M end cell row cell open square brackets H to the power of plus sign close square brackets end cell equals cell fraction numerator K subscript w over denominator open square brackets O H to the power of minus sign close square brackets end fraction end cell row blank equals cell fraction numerator 10 to the power of negative sign 14 end exponent over denominator 2 comma 68 cross times 10 to the power of negative sign 4 end exponent end fraction end cell row blank equals cell 3 comma 73 cross times 10 to the power of negative sign 11 end exponent M end cell end table end style 

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