93 Решение задачки по химии №09 374

277. Determine the total surface area of iodine particles weighing 2 g, if particles are obtained during its crushing:
1) spherical shape with a radius of 10-4 m;
2) conical shape with a base radius of 10-8 m and a height of 10-5 m.
The density of iodine is 4.93 g/cm3.

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