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Tentukan kadar masing-masing unsur dalam senyava aspirin !

Pertanyaan

Tentukan kadar masing-masing unsur dalam senyava aspirin C subscript 9 H subscript 8 O subscript 4!space

Pembahasan Soal:

Kadar karbon:
 

table attributes columnalign right center left columnspacing 0px end attributes row cell percent sign C end cell equals cell fraction numerator i cross times Ar point C over denominator Mr end fraction cross times 100 percent sign end cell row blank equals cell fraction numerator 9 cross times 12 over denominator 180 end fraction cross times 100 percent sign end cell row blank equals cell 60 percent sign end cell end table
 

Kadar hidrogen:
 

table attributes columnalign right center left columnspacing 0px end attributes row cell percent sign H end cell equals cell fraction numerator i cross times Ar point H over denominator Mr end fraction cross times 100 percent sign end cell row blank equals cell fraction numerator 8 cross times 1 over denominator 180 end fraction cross times 100 percent sign end cell row blank equals cell 4 comma 4 percent sign end cell end table
 

Kadar Oksigen adalah sisanya yaitu:
 

table attributes columnalign right center left columnspacing 0px end attributes row cell percent sign O end cell equals cell 100 percent sign minus sign left parenthesis percent sign C plus percent sign H right parenthesis end cell row blank equals cell 100 percent sign minus sign left parenthesis 60 percent sign plus 4.4 percent sign right parenthesis end cell row blank equals cell 100 percent sign minus sign 64 comma 4 percent sign end cell row blank equals cell 35 comma 6 percent sign end cell end table

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 04 Mei 2021

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