Cu 2 naoh

Cu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naoh
Cu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naoh
Cu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naohCu 2 naoh