使25g甲物质与5g乙物质充分反应，所得混合物中含有10g甲和11g丙
侯英超 |
发布日期：2010-05-11 05:52:41
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使25g甲物质与5g乙物质充分反应，所得混合物中含有10g甲和11g丙，还有另一种新物质丁，如甲、乙、丙、丁的相对分子质量为30、20、44、18，其化学式分别用A、B、C、D表示，则下列化学方程式正确提………………（ ） A、A+B=C+D B、A+2B=2C+D C、2A+B=2C+D D、2A+B=C+2D |
