A.2.3g金属钠变为钠离子时失去的电子数是0.1NA |
B.0.5NA个氯分子所占体积约为11.2L |
C.32g氧气所含原子数为2NA |
D.18g水所含的质子总数为10NA |
A.0.3 mol/L | B.0.03 mol/L | C.0.05 mol/L | D.0.04 mol/L |
A.11 | B.22 | C.44 | D.44 g/mol |
A.44 g | B.22 g | C.18 g | D.9 g |
A.3mol/L | B.2 mol/L | C.0.3 mol/L | D.0.2 mol/L |
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