1、密度表乙醇溶液密度(g/cm3;)(20)每(g/cm3;)含有乙醇质量(%)g浓度（体积比%)=度(1 度=1%体积）0.998 0.15 0.20.996 1.20 1.50.994 2.30 3.00.992 3.50 4.40.990 4.70 5.90.988 5.90 7.40.985 7.90 9.90.982 10.0 12.50.980 11.5 14.20.978 13.0 16.00.975 15.3 18.90.972 17.6 21.70.970 19.1 23.50.968 20.6 25.30.965 22.8 27.80.962 24.8 30.30.960 2
2、6.2 31.80.957 28.1 34.00.954 29.9 36.10.950 32.2 38.80.945 35.0 41.30.940 37.6 44.80.935 40.1 47.50.930 42.6 50.20.925 44.9 52.70.920 47.3 55.10.915 49.5 57.40.910 51.8 59.70.905 53.9 61.90.900 56.2 64.00.895 58.3 66.20.890 60.5 68.20.885 62.7 70.20.880 64.8 72.20.875 66.9 74.20.870 69.0 76.10.865 7
3、1.1 77.90.860 73.2 79.70.855 75.3 81.50.850 77.3 83.30.845 79.4 85.00.840 81.4 86.60.835 83.4 88.20.830 85.4 89.80.825 87.3 91.20.820 89.2 92.70.815 91.1 94.10.810 93.0 95.40.805 94.4 96.60.800 96.5 97.70.795 98.2 98.90.791 98.5 99.7从中可以计算出：每(g/cm3)含有乙醇重量(%)g浓度（体积比%）=度(1 度=1%体积)例如：密度为 0.791g/cm3每(g/cm3)含有乙醇重量：0.79199.5%=0.787045g浓度：99.7%=99.7 度
