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Jika terdapat volume gas  pada keadaan standar ada...

Jika terdapat volume gas begin mathsize 14px style C O subscript 2 end style pada keadaan standar adalah 4,48 liter berapa massa dan jumlah molekulnya?

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell V subscript STP end cell equals cell n cross times 22 comma 4 space liter end cell row cell 4 comma 48 space liter end cell equals cell n cross times 22 comma 4 liter end cell row n equals cell fraction numerator 4 comma 48 over denominator 22 comma 4 end fraction end cell row blank equals cell 0 comma 2 space mol end cell end table end style 


begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row Massa equals cell n cross times Mr end cell row blank equals cell 0 comma 2 mol cross times 44 gram forward slash mol end cell row blank equals cell 8 comma 8 space gram end cell end table end style 


Jadi, massa gas begin mathsize 14px style C O subscript bold 2 end style adalah 8,8 gram.


begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row N equals cell n cross times 6 comma 02 cross times 10 to the power of 23 end cell row blank equals cell 0 comma 2 cross times 6 comma 02 cross times 10 to the power of 23 end cell row blank equals cell 1 comma 204 cross times 10 to the power of 23 space partikel end cell end table end style 


Jadi, jumlah partikel adalah begin mathsize 14px style bold 1 bold comma bold 204 bold cross times bold 10 to the power of bold 23 end style partikel.

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