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2023
H-lC-12N-140-16Mg-24S-32
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22
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15
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18
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19
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1
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20
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345
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22
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21
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MgS2O,?6H2OWWWMg?mol’
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+32
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7?SSJHlfêWWé:
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22
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NH..COONIUD
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23
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U.9Mtti.ttlft
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+
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24
AgOCN+NH4Cl=CO(NH2)2+AgCl.
AgOCN+NH4C1=CO(NH2)2+AgCl-,
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+
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+
2NO;+16e’+CO2+18H=CO(NH2+7H2O:
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