1. At 293 K, the density a of a % solution of substance A in solvent B is d, the refractive index of the solution is n. Calculate the molar refraction of substance A. If at 293 K the density of solvent B is d0 and its refractive index is n0.
N option a,% A B d*10-3, kg/m3 n
24 44 C12H22O11 H2O 1.191 1.403

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