7. Решение задачи по химии №000 792

17. The number of spherical particles in a certain volume of gold hydrosol in equilibrium in the gravity field is 386. What is the number of particles in a layer lying 10-4 m higher if the particles have an average diameter of 6.6 * 10-8 m ? Solution temperature 19 C, gold density 19.3*103 kg/m3.

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