作业帮1.下列物质各1mol,质量最小的是:A.CO2 (44g/mol) B.N2 (28g/mol) C.O2 (32g/mol) D.NaCl (58.5g/mol) 2.
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1.下列物质各1mol,质量最小的是:A.CO2 (44g/mol) B.N2 (28g/mol) C.O2 (32g/mol) D.NaCl (58.5g/mol) 2.
1.下列物质各1mol,质量最小的是:A.CO2 (44g/mol) B.N2 (28g/mol) C.O2 (32g/mol) D.NaCl (58.5g/mol) 2.
1.下列物质各1mol,质量最小的是:A.CO2 (44g/mol) B.N2 (28g/mol) C.O2 (32g/mol) D.NaCl (58.5g/mol) 2.
B.N2 (28g/mol)
质量最小的是: B
B