1. At 293 K, the density of a % solution of substance A in solvent B is d, and 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 of option a,% A B d*10-3, kg/m3 n
1 20 HCl CH3OH 0.915 1.374

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