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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
3molC+1molD
4molA+2molB
2molA+1molB+3molC+1molD
3molC+1molD+1molB
3molC+1molD 2molA+1molB+3molC+1molD 3molC+1molD+1molB 4molA+2molB
1molA+0.5molB+1.5molC+0.1molD
3molC+0.7molD
2molA+1molB+1molD
0.5molA+0.25molB+2.25molC
的转化率为 ( ) A. 60% 50% 40% 30%
3molC+1molD 2molA+2mol C.2molA+1moB+0.5molD 1molA+0.5molB+1.5molC+0.5molD
4molA+2molB 2mol A+1mol B+3mol C+1molD. 3mol C+1mol D+1molB. 3mol C+1molD.
B的量分别是甲:2molA,1molB;乙:1molA,1molB;丙:2molA,2molB;丁:1molA,2mol 在相同温度下建立平衡时,A或B的转化率大小关系正确的是()。
A.B的转化率:甲<丙=乙<丁
B.A的转化率:甲<丙<乙<丁
B的转化率:甲>丙>乙>丁
A的转化率:甲<乙<丙<丁
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