A sample solution is prepared by combining (4.770x10^0) mL of  (4.0900x10^-3) molar SCN-, (4.900x10^0) mL of (1.13x10^-1) molar Fe3+, (4.880x10^0) mL of 1.0 molar HNO3, and (1.0500x10^1) mL water. Based on this information, what is the initial concentration of SCN-?

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