2024-03-29T19:12:45+03:00[Europe/Moscow] en true <p>Relative formula mass</p>, <p>Percentage by mass formula</p>, <p>1 mole = ?</p>, <p>Number of moles (for an element) formula</p>, <p>Number of moles (for an compound) formula</p>, <p>How to find how many atoms in a mole</p>, <p>limiting reactant</p>, <p>Concentration volume</p>, <p>1 dm<sup>3 = </sup>? cm<sup>3</sup></p>, <p>isotope relative atomic mass</p>, <p>moles and relative formila mass, mass formula</p> flashcards

Chemistry Paper 1 - Quantitive Chemistry

CHEMISTRY PAPER 1

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  • Relative formula mass

    All atomic masses of the elements added together

  • Percentage by mass formula

    (Total atomic mass of element / Relative formula mass of compound) x 100

  • 1 mole = ?

    1 mole = the atomic mass of the element in grams (e.g oxygen has atomic mass 16 so 1 mole of oxygen = 16g)

  • Number of moles (for an element) formula

    Num of moles = Mass/Relative atomic mass

  • Number of moles (for an compound) formula

    Num of moles = Mass/Relative formula mass

  • How to find how many atoms in a mole

    Avogadro constant 6 x 10^23

  • limiting reactant

    The reactant that is all used up

  • Concentration volume

    Concentration = Mass/Volume

  • 1 dm3 = ? cm3

    1000 cm3

  • isotope relative atomic mass

    (isotope1 mass X abundance) + (isotope2 mass X abundance) / 100

  • moles and relative formila mass, mass formula

    moles = mass/mr