2.
H226-H-H9-H
P2-P2-P24-P24-P242-P24-P26-P264-P27-P28-P2+P2-P+P6+P-P4+P4-P+P+P8-P62+P64-P7+P78-P4+P2-P4+P2-P4-P
GHS2,GHS7
27
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质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)