A:Na+ 1s22s22p6
B:N3+ 1s22s22p6
C:F¯1s22s22p6
D:O2¯1s22s22p6
3.08千克=____千克____克; 43.6毫升=____升.
下列有关氢氧化钠和用途的叙述错误的是( )