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문제 48d
Name each molecular compound. d. NO
문제 49b
Write the formula for each molecular compound. a. phosphorus trichloride b. chlorine monoxide c. disulfur tetrafluoride
문제 49d
Write the formula for each molecular compound. d. phosphorus pentafluoride
문제 51a
Name each acid. a. HI(aq) b. HNO3(aq) c. H2CO3(aq)
문제 52a
Name each acid. a. HCl(aq)
문제 52b
Name each acid. b. HClO2(aq) c. H2SO4(aq)
문제 53a
Write the formula for each acid. a. hydrofluoric acid b. hydrobromic acid c. sulfurous acid
문제 55b
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. SrCl2 b. SnO2
문제 55c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. c. P2S5
문제 55d
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. d. HC2H3O2(aq)
문제 57c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. KClO3 b. I2O5 c. PbSO4
문제 58b
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. XeO3 b. KClO
문제 58c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. c. CoSO4
문제 59c
Calculate the formula mass for each compound. a. NO2 c. C6H12O6 b. C4H10 d. Cr(NO3)3
문제 60a
Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Ca(NO3)2
문제 64a
Determine the number of moles (of molecules or formula units) in each sample. a. 55.98 g CF2Cl2
문제 64b
Determine the number of moles (of molecules or formula units) in each sample. b. 23.6 kg Fe(NO3)2
문제 64c
Determine the number of moles (of molecules or formula units) in each sample. c. 0.1187 g C8H18
문제 64d
Determine the number of moles (of molecules or formula units) in each sample. d. 195 kg CaO
문제 65a
How many molecules are in each sample? a. 6.5 g H2O c. 22.1 g O2 d. 19.3 g C8H10
문제 66
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
문제 67a
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)
문제 68a
Calculate the mass (in g) of each sample. a. 4.5×1025 O3 molecules
문제 68b
Calculate the mass (in g) of each sample. b. 9.85×1019 CCl2F2 molecules c. 1 water molecule
문제 69
A sugar crystal contains approximately 1.8×1017 sucrose (C12H22O11) molecules. What is its mass in mg?
문제 70
A salt crystal has a mass of 0.12 mg. How many NaCl formula units does it contain?
문제 71a
Calculate the mass percent composition of carbon in each carbon-containing compound. a. CH4 b. C2H6
문제 71c
Calculate the mass percent composition of carbon in each carbon-containing compound. c. C2H2
문제 71d
Calculate the mass percent composition of carbon in each carbon-containing compound. d. C2H5Cl
문제 72a
Calculate the mass percent composition of nitrogen in each nitrogen-containing compound. a. N2O b. NO