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的转化率为( ) A.67% 50% 25% 5%
4molA+2molB
2molA+1molB+3molC+1molD
3molC+1molD+1molB
3molC+1molD
:0.6mol B:0.3mol C:1.4mol充入容器后,C.的体积分数仍为W%,则x的值为 ( ) A.只能为2 只能为3 可能为2,也可能为3 无法确定
无法确定 只能为2
只能为3 可能为2,也可能为3
1molA+0.5molB+1.5molC+0.1molD
3molC+0.7molD
2molA+1molB+1molD
0.5molA+0.25molB+2.25molC
4molA+2molB 2mol A+1mol B+3mol C+1molD. 3mol C+1mol D+1molB. 3mol C+1molD.
4molA + 2molB 2molA+1molB+3molC+1molD 3molC + 1molD + 1molB 3molC+1molD
4molA+2molB 2molA+1molB+3molC+1molD 3molC+1molD+1molB 3molC+1molD
4molA+2molB 2molA+1molB+3molC+1molD 3molC+1molD+1molB 3molC+1molD
4molA+2molB 2molA+1molB+1molD 1molA+0.5molB + 1.5molC+0.5molD 3molC+1molB+1molD+1molA
0.3molB和1.4molC为起始物质,达到平衡后,C.的体积分数仍为W%,则x值为 A.1 2 3 4