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常用化合物在不同温度下的溶解度化合物名称化合物分子式0℃10℃20℃30℃40℃氯化钾硫酸钾碳酸钾硝酸钾含水碳酸钾钾矾碳酸氢钾高锰酸钾铬酸钾重铬酸钾氯化钠硝酸钠碳酸钠硫酸钠重碳酸钠含水碳酸钠含水磷酸三钠含水磷酸氢二钠含水硫酸钠氢氧化钠氯化钡碳酸钡硝酸钡硫酸钡含水氯化钡氢氧化钡氧化钙氯化钙硫酸钙碳酸钙重碳酸钙氢氧化钙含水硫酸钙硫酸镁含水氯化镁含水硫酸镁三氯化铝硫酸铝铝矾(硫酸铝钾)KClK2SO4K2CO3KNO3K2CO3·2H2OK2SO4·Al2(SO4)3·24H2OKHCO3KMnO4K2CrO4K2Cr2O7NaClNaNO3Na2CO3Na2SO4NaHCO3Na2CO3·10H2ONa3PO4·12H2ONa2HPO4·12H2ONa2SO4·10H2ONaOHBaCl2BaCO3Ba(NO3)2BaSO4BaCl2·2H2OBa(OH)2CaOCaCl2CaSO4CaCO3CaHCO3Ca(OH)2CaSO4·2H2OMgSO4MgCl2·6H2OMgSO4·7H2OAlCl3Al2(SO4)3AlK(SO4)2·12H2O27.66.87105.313.351.33.018.32.7557.34.4335.773.075.06.456.631.51.84.54231.650.0001151.671.3159.50.1760.16150.1850.1826.952.831.0331.33.131.08.47108.320.952.221.74.0161.17.535.880.012.5(8℃)9.07.5811.23.78.251.5(8℃)33.30.0016(8℃)72.4865.00.1930.16380.17690.19231.523.633.534.010.0311.0531.652.85.924.96.063.711.136.088.021.519.48.7617.8117.216.110935.70.0022(18℃)9.20.0002444.63.8974.50.2040.001450.1660.1650.20436.254.526.231.3636.25.737.011.49113.745.853.428.18.365.615.436.396.038.840.89.962920.828.811938.211.60.0002855.591.13102.00.2090.16820.1530.2140.929.040.49.228.840.013.1116.963.953.911.731.211.267.020.636.6104.059(32.5℃)48.811.2733.23135.612940.714.28.22115.00.2100.17050.14145.657.531.331.6345.712.0含水硫酸铝氯化亚铁三氯化铁硫酸亚铁含水氯化亚铁含水三氯化铁含水硫酸亚铁硫酸铜含水硫酸铜氯化铵硝酸铵硫酸铵碳酸氢铵磷酸氢二铵硫酸铝铵(铝铵矾)Al2(SO4)3·18H2OFeCl2FeCl3FeSO4FeCl2·4H2OFeCl3·6H2OFeSO4·7H2OCuSO4CuSO4·5H2ONH4ClNH4NO3(NH4)2SO4NH4HCO3(NH4)2HPO4(NH3)2SO4·Al2(SO4)3·24H2O23.874.415.6542.715.514.312.929.4118.310.611.91713.94.425.120.545.017.017.433.39.5(8℃)26.662.491.826.538.447.921.020.737.2192.075.421.015.165.632.939.651.624.825.020.341.427.0260(31℃)20.031.46940.240.828.728.522.845.8297.081.0化合物名称化合物分子式50℃60℃70℃80℃90℃100℃氯化钾硫酸钾碳酸钾硝酸钾含水碳酸钾钾矾碳酸氢钾高锰酸钾铬酸钾重铬酸钾氯化钠硝酸钠碳酸钠硫酸钠重碳酸钠含水碳酸钠含水磷酸三钠含水磷酸氢二钠含水硫酸钠氢氧化钠氯化钡碳酸钡硝酸钡硫酸钡含水氯化钡氢氧化钡KClK2SO4K2CO3KNO3K2CO3·2H2OK2SO4·Al2(SO4)3·24H2OKHCO3KMnO4K2CrO4K2Cr2O7NaClNaNO3Na2CO3Na2SO4NaHCO3Na2CO3·10H2ONa3PO4·12H2ONa2HPO4·12H2ONa2SO4·10H2ONaOHBaCl2BaCO3Ba(NO3)2BaSO4BaCl2·2H2OBa(OH)242.614.2121.385.554.834.214.469.025.937.0114.046.712.6732.244.1(48.4℃)43.617.10.00033645.515.4126.8110.055.924.7537.518.072.831.237.3124.045.314.0931.75547.6(59℃)17446.420.359.120.9448.116.6133.5138.057.136.237.8135.044.131.449.435.600.7551.117.6139.8169.058.371.041.138.4148.043.78152.4270.6754.018.6147.5202.059.6109.045.239.0162.042.9313.055.656.719.4155.7246.060.950.539.8180.045.442.510851.0(95℃)347.058.834.20.00041376.9氧化钙氯化钙硫酸钙碳酸钙重碳酸钙氢氧化钙含水硫酸钙硫酸镁含水氯化镁含水硫酸镁三氯化铝硫酸铝铝矾(硫酸铝钾)含水硫酸铝氯化亚铁三氯化铁硫酸亚铁含水氯化亚铁含水三氯化铁含水硫酸亚铁硫酸铜含水硫酸铜氯化铵硝酸铵硫酸铵碳酸氢铵磷酸氢二铵硫酸铝铵(铝铵矾)CaOCaCl2CaSO4CaCO3CaHCO3Ca(OH)2CaSO4·2H2OMgSO4MgCl2·6H2OMgSO4·7H2OAlCl3Al2(SO4)3AlK(SO4)2·12H2OAl2(SO4)3·18H2OFeCl2FeCl3FeSO4FeCl2·4H2OFeCl3·6H2OFeSO4·7H2OCuSO4CuSO4·5H2ONH4ClNH4NO3(NH4)2SO4NH4HCO3(NH4)2HPO4(NH3)2SO4·Al2(SO4)3·24H2O13.120.96127.00.17270.12850.433.552.234.473.1315.148.642.275.932.333.325.150.40.86136.80.2050.17500.11655.061.035.531.7359.226.137.178.357.043.935.540.028.155.2421.088.0141.70.1970.17730.10659.566.250.945.835.947.131.460.2147.00.17950.09464.266.038.632.3273.151.542.2525.843.680.030.355.034.965.6580.095.3152.70.18170.085868.986.837.347.927.164.238.571.3159.00.1620.00140.18400.07773.973.040.689.047.1535.784.375.442.477.3871.0103.3注：1.Mg(OH)2在18℃时溶解度为9×10^-4。2.MgCO3在25℃时为1.45×10^-2，溶解困难。3.(NH4)2HPO4在15℃时溶解度为131.0。