![]() ![]() How many GRAMS of boron tribromide are present in 3. How many milliliters of an aqueous solution of 0.172 M iron(II) acetate is needed to obtain 18. How much solid chromium(II) iodide should you add grams 2. How many MOLES of boron tribromide are present in 2.23 grams of this compound? moles 2. You need to make an aqueous solution of 0.137 M chromium(II) iodide for an experiment in lab, using a 125 mL volumetric flask. References Use the Red Use the References to access important values if needed for th 1. Louis Nicolas Vauquelin first discovered chromium in 1797 and first isolated it the following year. The number of electrons in each of Chromium's shells is 2, 8, 13, 1 and its electron configuration is Ar 3d 5 4s 1. CrI2 may cause eye, skin and respiratory tract irritation. Chemistry Chemistry questions and answers The compound chromium (II) iodide is a strong electrolyte. REVIEW TOPICS Relerences Use the References to access important values if needed for this questi For the molecular compound nitrogen monoxide, what would you multiply "grams of NO" by to get the units "moles of NO" ? (number) (unit) grams NO = moles NO (number) (unit) Submit Answer Retry Entire Group 4 more group attempts remaining Chromium (atomic symbol: Cr, atomic number: 24) is a Block D, Group 6, Period 4 element with an atomic weight of 51.9961. Home Chemistry Chromium (II) Iodide Name: Chromium (II) Iodide Alias: Chromous Iodide Formula: CrI2 Molar Mass: 305.805 CrI2 is a green gray powder at room temperature, density 5.196 g/cm 3, melting point 856 C. Use the References to access important values if needed for this que For the molecular compound phosphorus trichloride, what would you multiply "moles of PCI " by to get the units "grams of PC13" ? (number) (unit) moles PC1z = grams PC13 (number) (unit) In progress L Answer Retry Entire Group 4 more group attempts remaining High purity, submicron and nanopowder forms may be considered. Formula Molar mass of ion g/mol Number of ions mol Mass of ion in one mole of chromium(II) iodide 8 Cation = Anion g/mol mol Molar mass chromium(IT) iodide g/mol Submit Answer Retry Entire Group 4 more group attempts remaining Chromium (II) Iodide is generally immediately available in most volumes. Complete the table below for calculating the molar mass of the ionic compound chromium(II) iodide.
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