6092 Chapter 7 Mole Concept & Stoichiometry

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Gases with A_r (or M_r) < 30 are less dense than air

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Upward Delivery

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Gases with A_r (or M_r) > 30 are more dense than air

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Downward delivery

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Calculating percentage by mass of an element in a compound

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Avogadro’s constant

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Avogadro’s constant state that one mole of any substance contains  6.02 x 10²³ particles.

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Mole calculations involving number of particles in a substance and Avogadro’s constant.

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Mole Calculations involving mass of substance and molar mass (Mr) of substance.

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Mole calculations involving volume of gas and molar volume of gas.

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Mole calculations involving concentration of solutions

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Mole calculations involving concentration of solutions

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Mole calculations involving concentration of solutions

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