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Sagot :
Answer:
A. 2.408 × 10²⁴
General Formulas and Concepts:
Math
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Chemistry
Atomic Structure
- Moles
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
Stoichiometry
- Using Dimensional Analysis
Explanation:
Step 1: Define
[Given] 4 moles H₂O
[Solve] molecules H₂O
Step 2: Identify Conversions
Avogadro's Number
Step 3: Convert
- [DA] Set up: [tex]\displaystyle 4 \ mol \ H_2O(\frac{6.022 \cdot 10^{23} \ molecules \ H_2O}{1 \ mol \ H_2O})[/tex]
- [DA] Multiply [Cancel out units]: [tex]\displaystyle 2.4088 \cdot 10^{24} \ molecules \ H_2O[/tex]
Answer:
A
Explanation:
thank the guy above me and thanks for helping
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