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How much Iron (II) in 100 grams of Spinach Oleracea?

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  • Essay length: 20005 words
  • Submitted: 13/01/2005
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    GCSE Aqueous Chemistry

    The first 200 words of this essay...

    How much Iron (II) in 100 grams of Spinach Oleracea?

    Spinach Oleracea

    Name : Jade Taylor

    Candidate Number : 3689

    Centre Number : 58203

    Year of Entry : 2004

    Contents

    Plan

    Aim

    To found out how much Iron (II) is present in 100 grams of Spinach Oleracea.

    The factors that I am going to investigated in this experiment include finding the best method to determine the concentration of an Iron (II) Ammonium Sulphate (aq) by trying colorimetry, an electrochemical cells experiment and a redox titration with Potassium Manganate (aq). After this I will extract Iron (II) from Spinach Oleracea using various methods (i.e. boiling the Spinach Oleracea for a range of times in different solutions) and use this spinach extract solution to determine the volume of iron extracted. I will take into account the presences of Oxalate ions and change my experiment accordingly (i.e. heating the spinach extract solution before titration's).

    Introduction

    It is important to know the Iron (II) content in 100 grams of Spinach Oleracea, as this allows people to calculate how much Spinach Oleracea needs to be eaten in order to obtain the Recommended

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