Problema 54a
Name each molecular compound. a. SO3 c. BrF5
Problema 54b
Name each molecular compound. b. SO2
Problema 54d
Name each molecular compound. d. NO
Problema 55b
Write the formula for each molecular compound. a. phosphorus trichloride b. chlorine monoxide c. disulfur tetrafluoride
Problema 55d
Write the formula for each molecular compound. d. phosphorus pentafluoride
Problema 59a
Name each acid. a. HI(aq) b. HNO3(aq) c. H2CO3(aq)
Problema 60a
Name each acid. a. HCl(aq)
Problema 60b
Name each acid. b. HClO2(aq) c. H2SO4(aq)
Problema 61a
Write the formula for each acid. a. hydrofluoric acid b. hydrobromic acid c. sulfurous acid
Problema 63b
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. SrCl2 b. SnO2
Problema 63c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. c. P2S5
Problema 63d
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. d. HC2H3O2(aq)
Problema 65c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. KClO3 b. I2O5 c. PbSO4
Problema 66b
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. XeO3 b. KClO
Problema 66c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. c. CoSO4
Problema 67c
Calculate the formula mass for each compound. c. H2SO4
Problema 68a
Calculate the formula mass for each compound. a. N2O4
Problema 72a
Determine the number of moles (of molecules or formula units) in each sample. a. 55.98 g CF2Cl2
Problema 72b
Determine the number of moles (of molecules or formula units) in each sample. b. 23.6 kg Fe(NO3)2
Problema 72c
Determine the number of moles (of molecules or formula units) in each sample. c. 0.1187 g C8H18
Problema 72d
Determine the number of moles (of molecules or formula units) in each sample. d. 195 kg CaO
Problema 73a
How many molecules are in each sample? a. 55.9 g Cl2
Problema 73b
How many molecules are in each sample? b. 12.1 kg K2CO3
Problema 74
How many molecules (or formula units) are in each sample? a. 67.9 g H2O b. 112 mg NaPO4 c. 32.1 kg C6H12O d. 56.1 g N2
Problema 75a
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)
Problema 76a
Calculate the mass (in g) of each sample. a. 4.5×1025 O3 molecules
Problema 76b
Calculate the mass (in g) of each sample. b. 9.85×1019 CCl2F2 molecules c. 1 water molecule
Problema 77
A salt crystal has a mass of 0.27 mg. How many NaCl formula units does it contain?
Problema 78
A sugar crystal contains approximately 6.55 * 1017 sucrose (C12H22O11) molecules. What is its mass in mg?
Problema 79a
Calculate the mass percent composition of carbon in each carbon-containing compound. a. CH4 b. C2H6
Ch.3 - Molecules and Compounds
