1
2
7
v
T
C
V
�� �� �� ��
R
P
4MnO
�
3 4MnO
� 1
3
� 2
4VO
6O
7O
a x�
4O
2O
3NH
2 2x yd
� 2zd
A solu t i on of sodium m et al in l i qu id am m onia gener at es [N a(N H
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