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的体积分数为a%。其它条件不变时,若按下列四种配比作为起始物质,平衡后A.的体积分数仍为a%的是( ) A.2mol C. 2molA.1molB和1molHe(不参加反应) 1molB和1molC 2molA.3molB和3molC
4molA+2molB
2molA+1molB+3molC+1molD
3molC+1molD+1molB
3molC+1molD
2molC 2molA.1molB和1molHe
1molB和1molC 2molA.3molB和3molC
4molA + 2molB 3molC + 1molD 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
2molA+1molB+3molC+1molD 3molC+1molD+1molB 3molC+1molD 1molA+1molB+1.5molC+1molD
的体积分数为a%。其它条件不变时,若按下列四种配比作为起始物质,平衡后A.的体积分数仍为a%的是( ) A.2mol C. 2molA.1molB和1molHe(不参加反应) 1molB和1molC 2molA.3molB和3molC
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.
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
的体积分数为a%。其它条件不变时,若按下列四种配比作为起始物质,平衡后A.的体积分数仍为a%的是 ( ) A.2mol C. 2molA.1molB和1molHe(不参加反应) 1molB和1molC 2molA.3molB和3molC
2molA和1molB 1molA和1molB
1molA和1molC 0.5molB和1molC
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