A) Li
80. (v20/21-133-12) Ishqoriy metal xloridining 80°C dagi 645 g toyingan eritmasini
10°C gacha sovitilganda ajralib chiqqan MeCI H20 kristallgidratidan 264 g chokma tushdi. (S(10) = 72; S(80) = 115) Ishqoriy metalini toping.
A) Li B) Na С) К
D) Rb