Chemistry Topic
5 Questions Available
Stoichiometry & Mole Concept
Calculations from chemical equations, empirical formulas, gas volumes, and volumetric analysis.
Detailed Subtopic Syllabus Coverage
1
Mole Concept and Avogadro's Constant
Mapped in Syllabus
2
Empirical and Molecular Formulas
Mapped in Syllabus
3
Molar Mass and Percentage Composition
Mapped in Syllabus
4
Chemical Equations and Stoichiometric Calculations
Mapped in Syllabus
5
Volumetric Analysis & Acid-Base Titrations
Mapped in Syllabus
Sample Questions in Stoichiometry & Mole Concept
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WAEC / WASSCE 1988
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The empirical formula of hydrocarbon containing 0. 12 mole of carbon and 0.36 mole of hydrogen is
WAEC / WASSCE 1988
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Which of the following types of hybridization gives rise to tetrahedral molecules?
UTME / JAMB 1978
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An element X forms the following compounds with chlorine; XCl4, XCl3, XCl2. This illustrates the
UTME / JAMB 1978
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When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst to give smaller molecules, the process is known as
UTME / JAMB 1978
Study Question →
In titration involving sodium hydroxide and dilute hydrochloric acid, where would you place the base?
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