Ca (+2) C (+4) O3 (-2);
Zn (+2) Cl2 (-1);
H (+1) N (+5) O3 (-2);
K2 (+1) Cr2 (+6) O7 (-2);
Na 2 (+1) Mn (+6) O4 (-2);
K (+1) H (-1);
O (+2) F (-1);
C (+2) O (-2).
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Ca (+2) C (+4) O3 (-2);
Zn (+2) Cl2 (-1);
H (+1) N (+5) O3 (-2);
K2 (+1) Cr2 (+6) O7 (-2);
Na 2 (+1) Mn (+6) O4 (-2);
K (+1) H (-1);
O (+2) F (-1);
C (+2) O (-2).