Refer to the nomenclature flowchart (Figure 3.11) to name each compound. c. P2S5

Refer to the nomenclature flowchart (Figure 3.11) to name each compound. d. HC2H3O2(aq)

Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. KClO₃ b. I₂O₅ c. PbSO₄

Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. XeO₃ b. KClO

Refer to the nomenclature flowchart (Figure 3.11) to name each compound. c. CoSO4

Calculate the formula mass for each compound. a. NO₂ c. C₆H₁₂O₆ b. C₄H₁₀ d. Cr(NO₃)₃

Calculate the formula mass for each compound. a. MgBr₂ b. HNO₂ c. CBr₄ d. Ca(NO₃)₂

Determine the number of moles (of molecules or formula units) in each sample. a. 55.98 g CF₂Cl₂

Determine the number of moles (of molecules or formula units) in each sample. b. 23.6 kg Fe(NO₃)₂

Determine the number of moles (of molecules or formula units) in each sample. c. 0.1187 g C₈H₁₈

Determine the number of moles (of molecules or formula units) in each sample. d. 195 kg CaO

How many molecules are in each sample? a. 6.5 g H₂O c. 22.1 g O₂ d. 19.3 g C₈H₁₀

How many molecules (or formula units) are in each sample? a. 85.26 g CCl₄ b. 55.93 kg NaHCO₃ c. 119.78 g C₄H₁₀ d. 4.59×10⁵ g Na₃PO₄

Calculate the mass (in g) of each sample. a. 5.94×10²⁰ SO₃ molecules b. 2.8×10²² H₂O molecules c. 1 glucose molecule (C₆H₁₂O₆)

Calculate the mass (in g) of each sample. a. 4.5×10²⁵ O₃ molecules

Calculate the mass (in g) of each sample. b. 9.85×10¹⁹ CCl₂F₂ molecules c. 1 water molecule

A sugar crystal contains approximately 1.8×10¹⁷ sucrose (C₁₂H₂₂O₁₁) molecules. What is its mass in mg?

A salt crystal has a mass of 0.12 mg. How many NaCl formula units does it contain?

Calculate the mass percent composition of carbon in each carbon-containing compound. a. CH₄ b. C₂H₆

Calculate the mass percent composition of carbon in each carbon-containing compound. c. C₂H₂

Calculate the mass percent composition of carbon in each carbon-containing compound. d. C₂H₅Cl

Calculate the mass percent composition of nitrogen in each nitrogen-containing compound. a. N₂O b. NO

Calculate the mass percent composition of nitrogen in each nitrogen-containing compound. c. NO₂

Most fertilizers consist of nitrogen-containing compounds such as NH₃, CO(NH₂)₂, NH₄NO₃, and (NH₄)₂SO₄. Plants use the nitrogen content in these compounds for protein synthesis. Calculate the mass percent composition of nitrogen in CO(NH₂)₂.

Iron in the earth is in the form of iron ore. Common ores include Fe₂O₃ (hematite), Fe₃O₄ (magnetite), and FeCO₃ (siderite). Calculate the mass percent composition of iron for each of these iron ores. Which ore has the highest iron content?

Copper(II) fluoride contains 37.42% F by mass. Calculate the mass of fluorine (in g) in 55.5 g of copper(II) fluoride.

Silver chloride, often used in silver plating, contains 75.27% Ag by mass. Calculate the mass of silver chloride required to plate 155 mg of pure silver.

The iodide ion is a dietary mineral essential to good nutrition. In countries where potassium iodide is added to salt, iodine deficiency (or goiter) has been almost completely eliminated. The recommended daily allowance (RDA) for iodine is 150 mg/day. How much potassium iodide (76.45% I) should you consume if you want to meet the RDA?

The American Dental Association recommends that an adult female should consume 3.0 mg of fluoride (F^-) per day to prevent tooth decay. If the fluoride is consumed in the form of sodium fluoride (45.24% F), what amount of sodium fluoride contains the recommended amount of fluoride?

Write a ratio showing the relationship between the molar amounts of each element for each compound. (See Appendix IIA for color codes.) (a)