2019 Year 12 IB Extended Essays

E RROR CALCULATION FOR SPACING COEFFICIENT Percentage error of 34 ± 1 mm 1 34 ∗ 100 = 2.9% Percentage error of 35 ± 1 mm 1 35 ∗ 100 = 2.9% Calculation + errors = +1 = 35 ± 2.9% 34 ± 2.9% = 1.0 ± 5.8% P ROCESSED D ATA T ABLE 4: T ABLE SHOWING SPACING COEFFICIENT FOR AVERAGE RING DISTANCES . Calculated Spacing Coefficient between rings. Mass of Cobalt (II) 5-6 6-7 7-8 8-9 9-10 10-11 11-12

12-13

Chloride ± 0.01 g

2.50 3.00 3.50 4.00 4.50

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

1.0 1.0 1.0 1.0 1.0

T ABLE 5: T ABLE SHOWING AVERAGE S PACING COEFFICIENT OF EACH FORMATION . Mass of Cobalt (II) Chloride Spacing Coefficient 2.50 1.0 3.00 1.0 3.50 1.0 4.00 1.0 4.50 1.0

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