a nameless element (X) was found to occur in three different substances (A,B and C).The relative molecular masses of A,B,and C were found to be 33.70,79.40 and 252.20 respectively,compared to an assigned value of exactly 2.00 for H2.Subsequently,thes

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 03:53:16
xoABR˗$ Fx󠉽 ;[fbb&5~&&6[b $woffy>:z\pCLC*ho@(A2Ρ6