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Convert 9.24 x 1023 molecules CO2 to moles

Sagot :

Spaceidn

Answer:

1.53 mol CO₂

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

  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

  • Using Dimensional Analysis

Explanation:

Step 1: Define

9.24 × 10²³ molecules CO₂

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

  1. Set up:                             [tex]\displaystyle 9.24 \cdot 10^{23} \ molecules \ CO_2(\frac{1 \ mol \ CO_2}{6.022 \cdot 10^{23} \ molecules \ CO_2})[/tex]
  2. Multiply/Divide:                                                                                               [tex]\displaystyle 1.53437 \ mol \ CO_2[/tex]

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

1.53437 mol CO₂ ≈ 1.53 mol CO₂

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