Answer:
7.51 × 10²² atoms S
General Formulas and Concepts:
Math
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Chemistry
Atomic Structure
- Reading a Periodic Table
- Using Dimensional Analysis
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
Explanation:
Step 1: Define
4.00 g S
Step 2: Identify Conversions
Avogadro's Number
Molar Mass of S - 32.07 g/mol
Step 3: Convert
- Set up: [tex]\displaystyle 4.00 \ g \ S(\frac{1 \ mol \ S}{32.07 \ g \ S})(\frac{6.022 \cdot 10^{23} \ atoms \ S}{1 \ mol \ S})[/tex]
- Multiply: [tex]\displaystyle 7.51107 \cdot 10^{22} \ atoms \ S[/tex]
Step 4: Check
Follow sig figs and round. We are given 3 sig figs.
7.51107 × 10²² atoms S ≈ 7.51 × 10²² atoms S
