A.\(\rm{1 mol Na_{2}O_{2}}\)中含有的阴离子数为\(\rm{0.2N_{A}}\) |
B.标准状况下,由\(\rm{H_{2}O_{2}}\)制得\(\rm{2.24LO_{2}}\)转移的电子数目为\(\rm{0.4N_{A}}\) |
C.常温常压下,\(\rm{8gO_{3}}\)含有\(\rm{4 N_{A}}\)个电子 |
D.常温下,\(\rm{1 L pH=2}\)的\(\rm{H_{2}SO_{4}}\)溶液中含有的\(\rm{H^{+}}\)数目为\(\rm{0.02N_{A}}\) |