有1个网友回答
仅仅这个条件是没有办法 转化的
必须还要知道 该物质的 摩尔质量
设该物质的摩尔质量为 ：M
则 0.2g该物质的物质的量为 ： (0.2 / M) mol = 1000 * (0.2 / M) mmol = (200 / M) mmol
而 100 g =0.1 kg
0.2g/100g = (200 / M) / 0.1 mmol/kg = (2000 / M) mmol/kg
其中 M 为 该物质的摩尔质量 其值等于分子量
不明白HI
既然赞同了，别忘记采纳我的答案啊
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