元素R的气态氢化物化学式为HxR.在标准状况下,8.5gHxR气体体积为5.6L.将5.1gHxR气体通入200ml0.75mol/L的CuCl2溶液中正好完全反应,并生成黑色沉淀.问:(1)求HxR的相对分子质量;(2)推断x的值,并
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![元素R的气态氢化物化学式为HxR.在标准状况下,8.5gHxR气体体积为5.6L.将5.1gHxR气体通入200ml0.75mol/L的CuCl2溶液中正好完全反应,并生成黑色沉淀.问:(1)求HxR的相对分子质量;(2)推断x的值,并](/uploads/image/z/15045715-19-5.jpg?t=%E5%85%83%E7%B4%A0R%E7%9A%84%E6%B0%94%E6%80%81%E6%B0%A2%E5%8C%96%E7%89%A9%E5%8C%96%E5%AD%A6%E5%BC%8F%E4%B8%BAHxR.%E5%9C%A8%E6%A0%87%E5%87%86%E7%8A%B6%E5%86%B5%E4%B8%8B%2C8.5gHxR%E6%B0%94%E4%BD%93%E4%BD%93%E7%A7%AF%E4%B8%BA5.6L.%E5%B0%865.1gHxR%E6%B0%94%E4%BD%93%E9%80%9A%E5%85%A5200ml0.75mol%2FL%E7%9A%84CuCl2%E6%BA%B6%E6%B6%B2%E4%B8%AD%E6%AD%A3%E5%A5%BD%E5%AE%8C%E5%85%A8%E5%8F%8D%E5%BA%94%2C%E5%B9%B6%E7%94%9F%E6%88%90%E9%BB%91%E8%89%B2%E6%B2%89%E6%B7%80.%E9%97%AE%EF%BC%9A%EF%BC%881%EF%BC%89%E6%B1%82HxR%E7%9A%84%E7%9B%B8%E5%AF%B9%E5%88%86%E5%AD%90%E8%B4%A8%E9%87%8F%EF%BC%9B%EF%BC%882%EF%BC%89%E6%8E%A8%E6%96%ADx%E7%9A%84%E5%80%BC%2C%E5%B9%B6)
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