A.10mL 18.4mol/L H2SO4 | B.30mL 3mol/L盐酸 |
C.30mL 2mol/L H2SO4 | D.30mL 5mol/L HNO3 |
A.Zn和稀H2SO4 | B.Na2SO3固体和浓H2SO4 |
C.KI固体和浓H2SO4 | D.CaO和浓氨水 |
A.H2S和SO2 | B.NO和O2 | C.N2和H2 | D.H2S和O2 |
A.5.6 L | B.11.2 L | C.22.4 L | D.44.8 L |
A.12 | B.15 | C.28 | D.32 |
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