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A solution is prepared by mixing 8 mL of .2 M Fe(NO3)3, 10mL of .001 M NaSCN, and 7 mL of .1 M HNO3
a. calculate the concentration of Fe3+ in the solution
b. calculate the SCN- in the solution

  • Chemistry - ,

    Do you want the concn BEFORE or AFTER a reaction.
    I assume before.
    Fe^+3 = 0.2M to start. How much has it been diluted? From 8 mL to a total of 25 mL (8 + 10 + 7 = 25 mL).
    Fe^+3 = 0.2M x (8/25) = ??M
    SCN = 0.001M x (10/25) = ??M

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