答: 【1】所得溶液中氯化氢的物质的量的浓度为 c = ( 22.4L/22.4/mol)1000/250L = 4.00 mol/L 【2】若将该盐酸稀释成1L溶液,盐酸的浓度为 C = 4.00 mol/Lx250/10000 = 1.00mol