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?
Cr
+
?
H
N
O
3
+
?
K
Cl
O
3
+
?
O
2
→
?
Cr
(
N
O
3
)
3
+
?
K
N
O
3
+
?
Cl
2
+
?
H
2
O
Error: Error in balancing the equation: There is an infinite amount of solutions.