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27-11-2020
Chemistry

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27-11-2020

Answer:

Si=8

h=12

_____

H = 4

S = 2

O = 8

_____

Ca = 3

O = 6

H = 6

_____

Al = 4

Si = 6

o = 24

_____

C3H5KO3

C = 3

H = 5

K = 1

O = 3

______

Al2 (CO3)3

Al = 2

C = 3

O = 9

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