56. Решение задачи по химии №005 639

2. Calculate the number of particles formed and their total surface area during crushing of a substance sample (see Table ) with mass m and density r, assuming that the particles after grinding have the shape
a) a cube with edge length l;
b) spheres with diameter d.
Table
Substance m, g l, cm d, cm r, g/cm3
Glucose 2.0 10-6 2*10-5 1.56

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