7.7
H5-H-H-H5-H9-H-H5-H4-H4
P-P-P4-P4-P4-P4-P6-P64-P7-P7-P7-P8-P+P5-P4+P4-P-P6+P64-P7+P78-P45-P5
GHS,GHS7,GHS9
99
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质量 (g) = 浓度 (mol/L) × 体积 (L) × (g/mol)