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Scrivere le formule chimiche

  • Note di Apprendimento
  • Revisione degli argomenti
    Karen S.
    GD
    Karen S.

    I did not quite understand the last formula .need to review it again.

    Tamaika R.
    US
    Tamaika R.

    I don't understand the formula, how the canelling of chloride leaves you with Bacl2

    Robert D.
    US
    Robert D.

    I truly appreciate this course, however, there are some typo errors that really throw me off and consume a lot of time for me to "prove" I'm correct, me being the student and the course being the teacher. Eg: in this "Writing Chemical Formulae," the "Iron (III) oxide" formula at the bottom of that frame above states, "The compound formula of Iron (II) oxide is Fe2O3." It should say, ".....Iron (III) oxide is Fe2O3," followed by, "And the compound formula of Iron (II) oxide [rare] is FeO."

    Fatma R.
    EG
    Fatma R.

    didn't understand the example 3

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