Redox Titration Lab Sheet.docx.pdf - Redox Titra on Lab...

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Redox Titra±on Lab Sheet Pre lab 5Fe 2+ (aq) + Mn +7 O 4 - (aq) + 8H + 5Fe 3+ ( aq ) + Mn 2+ (aq) + 4H 2 O 5Fe 2+ ( aq ) →5Fe 3+ ( aq ) + 5 e - 2 Mn +7 O 4 - ( aq ) + 5e - Mn 2+ ( aq ) 5 Data Collec±on Data Table 1 Trial Number Mass of oxalic acid Ini±al Reading Final Reading Amount of potassium permanganate used. 1 .133 5.5mL 30.2mL 26.5mL 2 .132 5.5mL 31.1mL 25.6mL 3 .137 5.5mL 30.6mL 25.1 A²er reading through the lab processes sec±on, define the following: 1. oxida±on- When a reactent loses an electron a. reduc±on- A secon reactent gains an electron b. Circle the element in this reac±on that is being oxidized and underline the element that is being reduced. 2. How many electrons are lost by iron in the following half reac±on? 3. How many electrons are gained by manganese in the following half reac±on? 4. Complete the data table below while reviewing procedure part 1. 1.

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