A.等于1.8mol |
B.小于0.90mol |
C.等于0.90mol |
D.在0.90mol和1.8mol之间 |
| ||
A.1:1 | B.1:5 | C.5:1 | D.3:2 |
A.3:8 | B.8:3 | C.3:1 | D.1:3 |
A.9.6g | B.6.4g | C.3.2g | D.1.6g |
A.1:10 | B.1:8 | C.1:6 | D.1:5 |
A.N2O+4H2═2NH3+H2O |
B.2CH3COOH+Ca(ClO)2═2HClO+Ca(CH3COO)2 |
C.I2+2NaClO3═2NaIO3+Cl2 |
D.4HCl+MnO2═MnCl2+Cl2↑+2H2O |
© 2017-2019 超级试练试题库,All Rights Reserved.