Roboguru

Hitunglah kelarutan  bila .

Hitunglah kelarutan begin mathsize 14px style Ca C subscript 2 O subscript 4 end style bila begin mathsize 14px style K subscript sp space Ca C subscript 2 O subscript 4 equals 2 comma 3 cross times 10 to the power of negative sign 9 end exponent end style.begin mathsize 14px style space end style 

Jawaban:

begin mathsize 14px style stack Ca C subscript 2 O subscript 4 with s below rightwards harpoon over leftwards harpoon stack Ca to the power of 2 plus sign with s below plus stack C subscript 2 O subscript 4 to the power of 2 minus sign end exponent with s below end style 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell K subscript sp space Ca C subscript 2 O subscript 4 end cell equals cell open square brackets Ca to the power of 2 plus sign close square brackets left square bracket C subscript 2 O subscript 4 to the power of 2 minus sign end exponent right square bracket end cell row cell 2 comma 3 cross times 10 to the power of negative sign 9 end exponent end cell equals cell open parentheses s close parentheses open parentheses s close parentheses end cell row cell s squared end cell equals cell 2 comma 3 cross times 10 to the power of negative sign 9 end exponent end cell row s equals cell square root of 2 comma 3 cross times 10 to the power of negative sign 9 end exponent end root end cell row s equals cell 4 comma 80 cross times 10 to the power of negative sign 5 end exponent end cell end table end style 


Jadi, kelarutannya sebesar begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell bottom enclose bold 4 bold comma bold 80 bold cross times bold 10 to the power of bold minus sign bold 5 end exponent bold. end enclose end cell end table end style 

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