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.

来源：学生作业帮助网编辑：作业帮时间：2024/04/28 01:20:00

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