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March 27, 2017

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How many grams of I2 are present in a solution if 38.55ml of 0.160M Na2S2O3 solution is needed to titrate I2 the solution?

  • Chemistry - ,

    I2 + 2Na2S2O3 ==> Na2S4O6 + 2NaI
    mols Na2S2O3 = M x L = ?
    mols I2 = 1/2 mol Na2S2O3 (from the coefficients in the balanced equation).
    g I2 = mols I2 x molar mass I2 = ?

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