La Sinseridad

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Tabla 2. Humedades relativas del aire en equilibrio con soluciones saturadas de distintas sales (tomado de Arnold y Zehnder, 1990). Nótese las sales hidratadas son particularmente sensibles alas variaciones en la humedad relativa.
                     Sal                                0ºC        5ºC        10ºC       15ºC       20ºC      25ºC       30ºCAntarcticita         CaCl2·6H2O           41.0       37.7       33.7                      30.8       28.6       22.4
Bischofita            MgCl2·6H2O           33.7       33.6       33.5       33.3       33.1       32.8       32.4Nitrocalcita         Ca(NO3)2·4H2O      59.0       59.6       56.5       54.0       53.6       50.5       46.8Nitromagnesita   Mg(NO3)2·6H2O      60.4       58.9       57.4       55.9       54.4       52.9       51.4
Nitro amónico     NH4NO3                                                                                        61.8Nitratita              NaNO3                                 78.6       77.5       76.5       75.4       74.3       73.1
Halita                  NaCl                     75.5       75.7       75.7       75.6       75.5       75.3       75.1
Thenardita          Na2SO4                                                                          82.0       82.2       84.3Silvita                  KCl                        88.6       87.7       86.8       85.9       85.1       84.3       83.6
Epsomita             MgSO4·7H2O                                      86.9                      90.1       88.3       88.0Natrón                 Na2CO3·10H2O                                                 96.5       97.9       88.2       83.2Miralbita             Na2SO4·10H2O                                                 95.2       93.6       91.4       87.9
Nitro (salitre)       KNO3                     96.3       96.3       96.0       95.4       94.6       93.6       92.3

Solubilidad y soluciones sobresaturadas, saturadas einsaturadas...