jemilafeysel
jemilafeysel
30-03-2020
Chemistry
contestada
all please
guys help me
please
Respuesta :
Аноним
Аноним
31-03-2020
Explanation:
Percentage
composition
by
mass
2
1
.
2
%
4
6
.
6
%
3
5
%
2
1
.
2
%
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