If yоu're using yоur оwn cаlculаtor, pleаse pick it up and show it to the camera. Next, pick up your scratch paper and show both sides of all sheets to the camera. If you forgot to scan your room or workspace during the room scan, please do that now. Click "True" to confirm that you've shown your calculator and scratch paper. Periodic Table for Exam 2.png Solubility Rules From Table 5.4 of Introduction to Chemistry, 5th Edition, by Bauer, Birk and Marks. Ions Rule Na+, K+, NH4+ and other alkali metal ions Most are soluble NO3- , CH3CO2- All are soluble SO42- Most are solubleExceptions: Compounds with Ba2+, Sr2+, Pb2+, Ca2+ Hg22+ and Ag+ are insoluble Cl-, Br-, I- Most are solubleExceptions: Compounds with Ag+, Hg22+, Pb2+ and HgI2 are insoluble. Ag+ InsolubleExceptions: AgNO3, AgClO4 are soluble. AgCH3CO2 is slightly soluble O2-, OH- InsolubleExceptions: Compounds with alkali metal ions are soluble. Compounds with Ba2+, Sr2+ and Ca2+ are somewhat soluble. S2- InsolubleExceptions: Compounds with Na+, K+, NH4+, and alkaline earth metal ions are soluble CrO42- Most are insoluble.Exceptions: Compounds with Na+, K+, NH4+, Mg2+, Ca2+, Al3+, and Ni2+ are soluble CO32-, PO43-, SO32-, SiO32- Insoluble.Exceptions: Compounds with Na+, K+ and NH4+ are soluble.