④同一类物质,摩尔质量越大,结构越复杂,嫡 值越大; S-Cusor(s)S-cusormof S9Cs04-3H2o(S)<S9cus04-5H20(S) Sr2(g)<S cn(g)S Br2(g)Son(g) ⑤固体或液体溶于水时,熵值增大,气体溶于水 时,熵值减少; H20 NaCl (s) Na+CI H20 HCI (g) H++CI④同一 类物质,摩尔质量越大,结构越复杂,熵 值越大; S CuSO4(s) < S CuSO4·H2O(s) < S CuSO4·3H2O(s) < S CuSO4·5H2O (s) S F2(g) < S Cl2(g) < S Br2(g) < S I2 (g) ⑤固体或液体溶于水时,熵值增大,气体溶于水 时,熵值减少; H2O NaCl (s) = Na+ + ClH2O HCl (g) = H + + Cl-