54. Solving a chemistry problem
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54. Solving a chemistry problem
2. The mass of the dispersed phase of gold hydrosol is 1 kg, the density is 19.3 * 10^3 kg / m3, the radius of the particles of the dispersed phase r is 8 * 10^-9 m.
1) dispersion of the nanosystem D and its specific surface area
Calculate area Sm;
2) calculate the parameters of the particles of the dispersed phase: volume V0, surface S0, mass m0;
3) Calculate the total surface area S of all particles and the number of particles in the disperse system N.
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