Joke Collection Website - News headlines - Propaganda slogan of chemical fertilizer plant
Propaganda slogan of chemical fertilizer plant
The mass fraction of nitrogen in diammonium hydrogen phosphate = 2×14 (14+4×1) × 2+1+4×100% ≈.
The nitrogen content of pure diammonium hydrogen phosphate is 2 1.2%, which is lower than 25% in the advertisement.
2 1.2%
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