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Stoichiometric Relationships

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Introduction to the particulate nature of matter and chemical change

Subtopic

Introduction to the particulate nature of matter and chemical change under Stoichiometric Relationships for Grade 11 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Balance the following equation: Fe+O2→Fe2O3Fe + O_{2} \rightarrow Fe_{2}O_{3}. What are the coefficients in order?

    A.

    2, 3, 2

    B.

    4, 3, 2

    C.

    1, 1, 1

    D.

    2, 1, 1

  2. 2.

    Which of the following describes the volume of a liquid?

    A.

    It is fixed and does not change with the shape of the container

    B.

    It expands to fill the entire volume of any container

    C.

    It is easily compressed into a smaller volume

    D.

    It changes significantly with small changes in pressure

  3. 3.

    What is the simplest ratio of atoms in a chemical formula called?

    A.

    Molecular formula

    B.

    Empirical formula

    C.

    Structural formula

    D.

    Condensed formula

Download the worksheet for Stoichiometric Relationships - Introduction to the particulate nature of matter and chemical change to practice offline. It includes additional chapter-level practice questions.

The mole concept

Subtopic

The mole concept under Stoichiometric Relationships for Grade 11 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the mass of 0.20 mol0.20\ mol of Br2Br_{2}? (Relative atomic mass: Br=79.90Br = 79.90)

    A.

    15.98 g15.98\ g

    B.

    31.96 g31.96\ g

    C.

    79.90 g79.90\ g

    D.

    159.80 g159.80\ g

  2. 2.

    How many moles of ions are produced when 1.0 mol1.0\ mol of AlCl3AlCl_{3} dissolves completely in water?

    A.

    1.0 mol1.0\ mol

    B.

    2.0 mol2.0\ mol

    C.

    3.0 mol3.0\ mol

    D.

    4.0 mol4.0\ mol

  3. 3.

    What is the molar mass of calcium carbonate, CaCO3CaCO_{3}? (Relative atomic masses: Ca=40.08,C=12.01,O=16.00Ca = 40.08, C = 12.01, O = 16.00)

    A.

    68.09 g mol−168.09\ g\ mol^{-1}

    B.

    84.09 g mol−184.09\ g\ mol^{-1}

    C.

    100.09 g mol−1100.09\ g\ mol^{-1}

    D.

    116.09 g mol−1116.09\ g\ mol^{-1}

Download the worksheet for Stoichiometric Relationships - The mole concept to practice offline. It includes additional chapter-level practice questions.

Reacting masses and volumes

Subtopic

Reacting masses and volumes under Stoichiometric Relationships for Grade 11 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    How many hydrogen atoms are in one molecule of ethanol, C2H5OHC_{2}H_{5}OH?

    A.

    1

    B.

    5

    C.

    6

    D.

    2

  2. 2.

    What is the mass of 0.50.5 moles of silver, AgAg? (Relative atomic mass: Ag=107.87Ag = 107.87)

    A.

    53.94 g

    B.

    107.87 g

    C.

    215.74 g

    D.

    10.79 g

  3. 3.

    Which of the following is equal to one dm3dm^{3}?

    A.

    10 cm3cm^{3}

    B.

    100 cm3cm^{3}

    C.

    1000 cm3cm^{3}

    D.

    1 cm3cm^{3}

Download the worksheet for Stoichiometric Relationships - Reacting masses and volumes to practice offline. It includes additional chapter-level practice questions.

Stoichiometric Relationships - Grade 11 Chemistry (IB) | Krit.club