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Chemistry (again)

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What mass of NaOH is required to precipitate all the Fe2+ ions from 52.0 mL of 0.200 M Fe(NO3)2 solution?

  • Chemistry (again) -

    Write the equation.
    Fe^+2 + 2OH^- ==> Fe(OH)2
    moles Fe^+2 = M x L
    moles NaOH must be 2 x moles Fe^+2.
    moles OH is same as moles NaOH.
    g NaOH = moles NaOH x molar mass NaOH.

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