Answer:
1.43 × 10²⁴ atoms Kr
General Formulas and Concepts:
<u>Chemistry - Atomic Structure</u>
- Using Dimensional Analysis
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
Explanation:
<u>Step 1: Define</u>
2.37 mol Kr
<u>Step 2: Convert</u>
<u />
= 1.42721 × 10²⁴ atoms Kr
<u>Step 3: Check</u>
<em>We are given 3 sig figs. Follow sig fig rules and round.</em>
1.42721 × 10²⁴ atoms Kr ≈ 1.43 × 10²⁴ atoms Kr
The Elements (The Periodic Table.)
I think the answer is B
Hope I helped
Was there supposed to be a picture?