Mr herina yuni utami

MASSA ATOM RELATIF DAN MASSA MOLEKUL RELATIF OLEH : HERINA YUNI UTAMI

Massa atom relatif dan Massa molekul relatif ,[object Object],[object Object]

PRE TEST ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Massa atom relatif dan Massa molekul relatif ,[object Object],[object Object],[object Object]

MAKA DAPAT DITULIS DENGAN PERSAMAAN : ,[object Object]

[object Object],[object Object],[object Object],MASSA MOLEKUL RELATIF

LATIHAN ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],3. Misalkan kelimpahan isotop Cu-63 = x %, maka kelimpahan isotop C-65 = ( 100-x) % massa rata-rata 1 atom Cu = 63,5 sma, berarti : x/100 x63sma+ 100-x/100 x65sma = 63,5 sma 63x + (100-x) x 65 = 6350 63x – 65x = 6350 – 6500 - 2x = - 150 x = 75

Mr herina yuni utami

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