2.2
H226-H2-H5-H8-H5
P2-P24-P24-P242-P24-P26-P264-P27-P27-P28-P2+P52-P+P6+P5-P4+P4-P5+P5+P8-P-P62-P7+P78-P4+P2-P4+P25-P45-P5
GHS2,GHS5,GHS7
99
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质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)