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Given the following unbalanced equation:

_____ CoCl2 + _____ F2 à _____ CoF2 + _____ Cl2

If you are given 11.84 mole of CoCl2, how many moles of CoF2 will be produced?

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Answer:

11.84 mol CoF₂

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Chemistry

Atomic Structure

  • Moles

Stoichiometry

  • Using Dimensional Analysis
  • Analyzing Reactions RxN

Explanation:

Step 1: Define

[RxN - Unbalanced] CoCl₂ + F₂ → CoF₂ + Cl₂

[RxN - Balanced] CoCl₂ + F₂ → CoF₂ + Cl₂

[Given] 11.84 moles CoCl₂

[Solve] moles CoF₂

Step 2: Identify Conversions

[RxN] 1 mol CoCl₂ → 1 mol CoF₂

Step 3: Stoich

  1. [DA] Set up:                                                                                                       [tex]\displaystyle 11.84 \ mol \ CoCl_2(\frac{1 \ mol \ CoF_2}{1 \ mol \ CoCl_2})[/tex]
  2. [DA] Multiply/Divide [Cancel out units]:                                                          [tex]\displaystyle 11.84 \ mol \ CoF_2[/tex]

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