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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）0.9980.150.20.9961.201.50.9942.303.00.9923.504.40.9904.705.90.9885.907.40.9857.909.90.98210.012.50.98011.514.20.97813.016.00.97515.318.90.97217.621.70.97019.123.50.96820.625.30.96522.827.80.96224.830.30.96026.231.80.95728.134.00.95429.936.10
2、.95032.238.80.94535.041.30.94037.644.80.93540.147.50.93042.650.20.92544.952.70.92047.355.10.91549.557.40.91051.859.70.90553.961.90.90056.264.00.89558.366.20.89060.568.20.88562.770.20.88064.872.20.87566.974.20.87069.076.10.86571.177.90.86073.279.70.85575.381.50.85077.383.30.84579.485.00.84081.486.60.83583.488.20.83085.489.80.82587.391.20.82089.292.70.81591.194.10.81093.095.40.80594.496.60.80096.597.70.79598.298.90.79198.599.7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2表格详