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Problem 42a,b,c,d
Name each ionic compound containing a polyatomic ion. a. Ba(OH)2 b. NH4I c. NaBrO4 d. Fe(OH)3
Problem 59a,b,c,d
Calculate the formula mass for each compound. a. NO2 c. C6H12O6 b. C4H10 d. Cr(NO3)3
Problem 24b,d
Determine the number of each type of atom in each formula. b. CuSO4 d. Mg(HCO3)2
Problem 81a,b
Determine the number of moles of hydrogen atoms in each sample. a. 0.0885 mol C4H10 b. 1.3 mol CH4
Problem 60a,b,c,d
Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Ca(NO3)2
Problem 68b,c
Calculate the mass (in g) of each sample. b. 9.85×1019 CCl2F2 molecules c. 1 water molecule
Problem 37a,b,c,d,e,f
Name each ionic compound. a. Mg3N2 b. KF c. Na2O d. Li2S f. KI e. CsF
Problem 43a,b,c,d,e
Write the formula for each ionic compound. a. sodium hydrogen sulfite b. lithium permanganate c. silver nitrate d. potassium sulfate e. rubidium hydrogen sulfate
Problem 53a,b,c
Write the formula for each acid. a. hydrofluoric acid b. hydrobromic acid c. sulfurous acid
Problem 51a,b,c
Name each acid. a. HI(aq) b. HNO3(aq) c. H2CO3(aq)
Problem 108c,d
Write the balanced chemical equation for each reaction.
c. Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas.
d. Gaseous ammonia (NH3) reacts with gaseous oxygen to form gaseous nitrogen monoxide and gaseous water.
Problem 89a,b
Calculate the empirical formula for each stimulant based on its elemental mass percent composition.
a. nicotine (found in tobacco leaves): C 74.03%, H 8.70%, N 17.27%
b. caffeine (found in coffee beans): C 49.48%, H 5.19%, N 28.85%, O 16.48%
Problem 41a,b,c,d
Name each ionic compound containing a polyatomic ion. a. CuNO2 b. Mg(C2H3O2)2 c. Ba(NO3)2 d. Pb(C2H3O2)2
Problem 46a,b,c,d
Write the name from the formula or the formula from the name for each hydrated ionic compound.
a. cobalt(II) phosphate octahydrate
b. BeCl2•2 H2O
c. chromium(III) phosphate trihydrate
d. LiNO2•H2O
Problem 52b,c
Name each acid. b. HClO2(aq) c. H2SO4(aq)
Problem 49a,b,c
Write the formula for each molecular compound. a. phosphorus trichloride b. chlorine monoxide c. disulfur tetrafluoride
Problem 45a,b,c,d
Write the name from the formula or the formula from the name for each hydrated ionic compound.
a. CoSO4•7 H2O
b. iridium(III) bromide tetrahydrate
c. Mg(BrO3)2•6 H2O
d. potassium carbonate dihydrate
Problem 24a,d
Determine the number of each type of atom in each formula. a. Ca(NO2)2 d. Mg(HCO3)2
Problem 67a,b,c
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)
Problem 83a,b,c,d
Calculate mass (in grams) of sodium in 8.5 g of each sodium containing food additive. a. NaCl (table salt) b. Na3PO4 (sodium phosphate) c. NaC7H5O2 (sodium benzoate) d. Na2C6H6O7 (sodium hydrogen citrate)
Problem 84a,c,d
Calculate the mass (in kilograms) of chlorine in 25 kg of each chlorofluorocarbon (CFC). a. CF2Cl2 c. C2F3Cl3 d. CF3Cl
Problem 65a,c,d
How many molecules are in each sample? a. 6.5 g H2O c. 22.1 g O2 d. 19.3 g C8H10
Problem 123a,b
Determine the chemical formula of each compound and then use it to calculate the mass percent composition of each constituent element. a. potassium chromate b. lead(II) phosphate
Problem 58a,b
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. XeO3 b. KClO
Problem 55a,b
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. SrCl2 b. SnO2
Problem 71a,b
Calculate the mass percent composition of carbon in each carbon-containing compound. a. CH4 b. C2H6
Problem 57a,b,c
Refer to the nomenclature flowchart (Figure 3.11) to name each compound. a. KClO3 b. I2O5 c. PbSO4
Problem 72a,b
Calculate the mass percent composition of nitrogen in each nitrogen-containing compound. a. N2O b. NO
Problem 44b,c,e
Write the formula for each ionic compound. b. copper(I) iodate c. lead(II) chromate e. potassium hydroxide
Problem 48a,c
Name each molecular compound. a. SO3 c. BrF5
