November 2018 2 102 Report
Jika isotop klor di alam terdiri atas 77,5 % Cl-35 dan sisanya Cl-37, maka massa atom relatif klor tersebut adalah...
a. 34,57
b. 35,45
c. 36,10
d. 37,02
e. 38,11
tolong yaahhh.. pake caranya juga :)
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