CHEM170 –

Apuntes

CHEM170 – Review for Exam #2 Summer 2025 + Page 1 1. Assuming the chemical formulas are correct, which compound is named correctly? FeC2H3O2 iron acetate H3PO3 hydrophosphorous acid Ag2Cr2O7 silver dichromate Sn(SO2)2 tin (IV) sulfite 2. Determine the name for HClO(aq). Chloric acid Chlorous acid Hypochlorous acid Hydrochloric acid Hydrochlorous acid 3. Assuming the name is correct, which formula matches the formula? Diiodine pentoxide I2O4 Sulfur hexafluoride SF7 Chlorine trioxide ClO3- Selenium monoxide SO Disulfur difluoride S2F2 4. What is the formula for sodium peroxide? ______________ Which sketch best shows the cations and anions in sodium peroxide? 5. What is the correct name for TiPO2? titanium hypophosphite titanium monophosphorous dioxide titanium(III) hypophosphite titanium(II) hypophosphite CHEM170 – Review for Exam #2 Summer 2025 + Page 2 6. Determine the compound with covalent bonds. Calcium hydride Ammonia Cesium phosphide Zinc iodide 7. What is the molar mass of silver dichromate? 223.9 g/mol 323.9 g/mol 431.8 g/mol 647.8 g/mol 8. What is the mass % of oxygen in dichlorine heptoxide? 38.8% 42.5% 57.5% 61.2% 9. Which sample has the largest mass percent of fluorine? ...