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Nh3+KCL. 2nh3+h3po4. Nh3+cl2. N2+cl2.
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H трапеция площадь
S h w c w
H 19
E s h c f
H line
H 17
Масса 1 1 h
Пол h
H e w d a t
H w m d
Nh3+KCL. 2nh3+h3po4. Nh3+cl2. N2+cl2.