题目

将00C 101KPa条件下的氯化氢(HCl)气体44.8L,通入492mL水中,(已知水的密度为:1.00g/mL),得到密度为1.13g/mL的盐酸(即氯化氢的水溶液)。 (1)求此盐酸的质量分数?(计算结果保留一位小数) (2)求此盐酸的物质的量浓度? (计算结果保留一位小数) 答案:(1) 12.9%    (2)4.0moI/L 解析: 略 Don’t blame the worker. He just carried out the order______.     A. as told                        B. as are told                C. as telling                  D. as they told
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