Stoichiometry and its Calculations
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CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307035 For the reaction, \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + 3CO}} \to {\rm{2Fe + 3C}}{{\rm{O}}_{\rm{2}}}\) the volume of carbon monoxide required to reduce one mole of ferric oxide is

1 \({\rm{67}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
2 \({\rm{11}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
3 \({\rm{22}}{\rm{.4}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
4 \({\rm{44}}{\rm{.8}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307038 The mass of AgCl precipitated when a solution containing 11.70 g of NaCl is added to a solution containing 3.4 g of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) is [Atomic mass of Ag = 108, Atomic mass of Na = 23]

1 5.74 g
2 1.17 g
3 2.87 g
4 6.8 g
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307039 Combustion of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) produces \(\mathrm{CO}_{2}\) and water. The amount of oxygen (in g ) required for the complete combustion of 900 g of glucose is
[Molar mass of glucose in \(\mathrm{g} \,\mathrm{mol}^{-1}=180\) ]

1 480
2 32
3 800
4 960
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307040 What mass of \(\mathrm{\mathrm{CaCl}_{2}}\) in grams would be enough to produce \(\mathrm{14.35 \mathrm{gm}}\) of \(\mathrm{\mathrm{AgCl}}\) when it reacts with \(\mathrm{\mathrm{AgNO}_{3}}\).

1 \(\mathrm{5.55 \mathrm{~g}}\)
2 \(\mathrm{8.29 \mathrm{~g}}\)
3 \(\mathrm{16.59 \mathrm{~g}}\)
4 \(\mathrm{10 \mathrm{~g}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307035 For the reaction, \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + 3CO}} \to {\rm{2Fe + 3C}}{{\rm{O}}_{\rm{2}}}\) the volume of carbon monoxide required to reduce one mole of ferric oxide is

1 \({\rm{67}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
2 \({\rm{11}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
3 \({\rm{22}}{\rm{.4}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
4 \({\rm{44}}{\rm{.8}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307038 The mass of AgCl precipitated when a solution containing 11.70 g of NaCl is added to a solution containing 3.4 g of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) is [Atomic mass of Ag = 108, Atomic mass of Na = 23]

1 5.74 g
2 1.17 g
3 2.87 g
4 6.8 g
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307039 Combustion of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) produces \(\mathrm{CO}_{2}\) and water. The amount of oxygen (in g ) required for the complete combustion of 900 g of glucose is
[Molar mass of glucose in \(\mathrm{g} \,\mathrm{mol}^{-1}=180\) ]

1 480
2 32
3 800
4 960
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307040 What mass of \(\mathrm{\mathrm{CaCl}_{2}}\) in grams would be enough to produce \(\mathrm{14.35 \mathrm{gm}}\) of \(\mathrm{\mathrm{AgCl}}\) when it reacts with \(\mathrm{\mathrm{AgNO}_{3}}\).

1 \(\mathrm{5.55 \mathrm{~g}}\)
2 \(\mathrm{8.29 \mathrm{~g}}\)
3 \(\mathrm{16.59 \mathrm{~g}}\)
4 \(\mathrm{10 \mathrm{~g}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307035 For the reaction, \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + 3CO}} \to {\rm{2Fe + 3C}}{{\rm{O}}_{\rm{2}}}\) the volume of carbon monoxide required to reduce one mole of ferric oxide is

1 \({\rm{67}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
2 \({\rm{11}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
3 \({\rm{22}}{\rm{.4}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
4 \({\rm{44}}{\rm{.8}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307038 The mass of AgCl precipitated when a solution containing 11.70 g of NaCl is added to a solution containing 3.4 g of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) is [Atomic mass of Ag = 108, Atomic mass of Na = 23]

1 5.74 g
2 1.17 g
3 2.87 g
4 6.8 g
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307039 Combustion of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) produces \(\mathrm{CO}_{2}\) and water. The amount of oxygen (in g ) required for the complete combustion of 900 g of glucose is
[Molar mass of glucose in \(\mathrm{g} \,\mathrm{mol}^{-1}=180\) ]

1 480
2 32
3 800
4 960
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307040 What mass of \(\mathrm{\mathrm{CaCl}_{2}}\) in grams would be enough to produce \(\mathrm{14.35 \mathrm{gm}}\) of \(\mathrm{\mathrm{AgCl}}\) when it reacts with \(\mathrm{\mathrm{AgNO}_{3}}\).

1 \(\mathrm{5.55 \mathrm{~g}}\)
2 \(\mathrm{8.29 \mathrm{~g}}\)
3 \(\mathrm{16.59 \mathrm{~g}}\)
4 \(\mathrm{10 \mathrm{~g}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307035 For the reaction, \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}{\rm{ + 3CO}} \to {\rm{2Fe + 3C}}{{\rm{O}}_{\rm{2}}}\) the volume of carbon monoxide required to reduce one mole of ferric oxide is

1 \({\rm{67}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
2 \({\rm{11}}{\rm{.2}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
3 \({\rm{22}}{\rm{.4}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
4 \({\rm{44}}{\rm{.8}}\,{\rm{d}}{{\rm{m}}^{\rm{3}}}\)
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307038 The mass of AgCl precipitated when a solution containing 11.70 g of NaCl is added to a solution containing 3.4 g of \({\rm{AgN}}{{\rm{O}}_{\rm{3}}}\) is [Atomic mass of Ag = 108, Atomic mass of Na = 23]

1 5.74 g
2 1.17 g
3 2.87 g
4 6.8 g
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307039 Combustion of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) produces \(\mathrm{CO}_{2}\) and water. The amount of oxygen (in g ) required for the complete combustion of 900 g of glucose is
[Molar mass of glucose in \(\mathrm{g} \,\mathrm{mol}^{-1}=180\) ]

1 480
2 32
3 800
4 960
CHXI01:SOME BASIC CONCEPTS OF CHEMISTRY

307040 What mass of \(\mathrm{\mathrm{CaCl}_{2}}\) in grams would be enough to produce \(\mathrm{14.35 \mathrm{gm}}\) of \(\mathrm{\mathrm{AgCl}}\) when it reacts with \(\mathrm{\mathrm{AgNO}_{3}}\).

1 \(\mathrm{5.55 \mathrm{~g}}\)
2 \(\mathrm{8.29 \mathrm{~g}}\)
3 \(\mathrm{16.59 \mathrm{~g}}\)
4 \(\mathrm{10 \mathrm{~g}}\)