Answers
i) Sn+4 + 2e- = Sn2+
This this is reduction as oxidation state is decreasing from +4 to +2.
ii) O2° + 4e- = 2O 2-
Oxidation oxidation state decreases from 0 to +2 so it is reduction.
Part 2
Fat in lbs = 2.2 × Fat in Kg
6.5 = 2.2 × Fat in Kg
Fat in kg = 6.5/2.2 = 2.95 Kg
Volume (ml) × Density (g/ml ) = Mass (gm)
Volume = 2950 gm/ 0.87 gm
= 3390.8 ml
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