在标准状况下，将224 L HCl气体溶于635 mL水中，所得盐酸的密度为1.18 g·cm －3 。试计算：(1)所得盐酸 在标准状况下，将224L HCl气体溶于635mL水中，所得...
\u5728\u6807\u51c6\u72b6\u51b5\u4e0b\uff0c\u5c06224L HCl\u6c14\u4f53\u6eb6\u4e8e635mL\u6c34\u4e2d\uff0c\u6240\u5f97\u76d0\u9178\u7684\u5bc6\u5ea6\u4e3a1.18g?cm-3\uff0e\u8bd5\u8ba1\u7b97\uff1a\uff081\uff09\u6240\u5f97\u76d0\u9178\u7684\u7269\u8d28\uff081\uff09n\uff08HCl\uff09=224L22.4L/mol=10mol\uff0cm\uff08HCl\uff09=10mol\u00d736.5g?mol-1=365g\uff0c635mL\u6c34\u7684\u8d28\u91cf\u4e3a635mL\u00d71g/mL=635g\uff0c\u76d0\u9178\u7684\u8d28\u91cf\u5206\u6570w=365g365g+635g\u00d7100%=36.5%\uff0cc\uff08HCl\uff09=1000\u03c1\u03c9M=1000\u00d71.18\u00d736.5%36.5mol/L=11.8mol/L\uff0c\u7b54\uff1a\u6240\u5f97\u76d0\u9178\u7684\u7269\u8d28\u7684\u91cf\u6d53\u5ea6\u4e3a11.8mol/L\uff1b\uff082\uff09\u6839\u636ec\uff08\u6d53\uff09?V\uff08\u6d53\uff09=c\uff08\u7a00\uff09?V\uff08\u7a00\uff09\u53ef\u77e5\uff1ac\uff08\u7a00\uff09=11.8mol?L-1\u00d70.1L\u00f71.18L=1mol?L-1\uff0c\u7b54\uff1a\u6240\u5f97\u7a00\u76d0\u9178\u7684\u7269\u8d28\u7684\u91cf\u6d53\u5ea6\u4e3a1mol?L-1\uff1b\uff083\uff09n\uff08Na2CO3\uff09=0.040L\u00d70.065mol?L-1=0.0026 mol\uff0c\u4f7f\u53cd\u5e94\u4e0d\u4ea7\u751fCO2\u6c14\u4f53\uff0c\u53d1\u751f\u53cd\u5e94\uff1aNa2CO3+HCl\u2550NaHCO3+NaCl\uff0c\u6839\u636e\u65b9\u7a0b\u5f0f\u53ef\u77e5\u6d88\u8017HCl\u4e3a0.0026mol\uff0c\u8bbe\u52a0\u5165\u7a00\u76d0\u9178\u7684\u4f53\u79ef\u6700\u591a\u4e0d\u8d85\u8fc7x mL\uff0c\u5219n\uff08HCl\uff09=1mol?L-1\u00d70.001x L=0.001x mol\uff0c\u6839\u636e\u53cd\u5e94Na2CO3+HCl\u2550NaHCO3+NaCl\uff0c\u53ef\u5f970.0026=0.001x\uff0c\u89e3\u5f97x=2.6\uff0c\u7b54\uff1a\u52a0\u5165\u7a00\u76d0\u9178\u7684\u4f53\u79ef\u6700\u591a\u4e0d\u8d85\u8fc72.6\u6beb\u5347\uff0e
\uff081\uff09n\uff08HCl\uff09=224L22.4L?mol?1=10mol\uff0cm\uff08HCl\uff09=10mol\u00d736.5g?mol-1=365g\uff0c\u76d0\u9178\u7684\u8d28\u91cf\u5206\u6570w=365g365g+635g\u00d7100%=36.5%\uff0cc\uff08HCl\uff09=1000\u03c1wM=1000\u00d71.18\u00d736.5%36.5mol/L=11.8mol/L\uff0c\u6545\u7b54\u6848\u4e3a\uff1a36.5%\u300111.8mol/L\uff1b\uff082\uff09\u6839\u636ec\uff08\u6d53\uff09?V\uff08\u6d53\uff09=c\uff08\u7a00\uff09?V\uff08\u7a00\uff09\u53ef\u77e5\uff1ac\uff08\u7a00\uff09=11.8mol?L-1\u00d70.1L\u00f71.18L=1mol?L-1\uff0c\u6545\u7b54\u6848\u4e3a\uff1a1mol?L-1\uff1b\uff083\uff09n\uff08Na2CO3\uff09=0.040L\u00d70.065mol?L-1=0.0026 mol\uff0c\u8bbe\u52a0\u5165\u7a00\u76d0\u9178\u7684\u4f53\u79ef\u6700\u591a\u4e0d\u8d85\u8fc7x mL\uff0c\u5219n\uff08HCl\uff09=1mol?L-1\u00d70.001x L=0.001x mol\uff0c\u6839\u636e\u53cd\u5e94Na2CO3+HCl\u2550NaHCO3+NaCl\uff0c\u53ef\u5f970.0026=0.001x\uff0c\u89e3\u5f97x=2.6\uff0c\u6545\u7b54\u6848\u4e3a\uff1a2.6\uff1b\uff084\uff09\u7ecf\u8fc7\u53cd\u5e94\uff0c\u84b8\u53d1\u4e2d\u548c\u540e\u7684\u6eb6\u6db2\uff0c\u6700\u540e\u6240\u5f97\u56fa\u4f53\u4e3aNaCl\uff0c\u6839\u636eCl\u5143\u7d20\u5b88\u6052\uff1an\uff08NaCl\uff09=n\uff08HCl\uff09=0.050L\u00d72mol?L-1=0.1mol\uff0c\u6545m\uff08NaCl\uff09=0.1mol\u00d758.5g?mol-1=5.85g\uff0c\u6545\u7b54\u6848\u4e3a\uff1a5.85g\uff0e
| (1)36.5% 11.8 mol·L －1 (2)1 mol·L －1 (3)2.6 (4)5.85 扩展阅读：4.2是近视多少度左右 ... gb24154是药准还是药健 ... 酒标准代号一览表 ... 标准状况是什么22.4 ... 警示标志四种安全色 ... 纯粮食酒的标准代号 ... 免疫组化结果一览表 ... 标况下22.4升水分子数 ... 白酒标准对照表大全 ... 本站交流只代表网友个人观点，与本站立场无关 |
