Select the correct answer from each drop-down menu. By definition, a solution is
in a
In a solution, all particles are the size of

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Explanation:

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1.1 × 10²⁴ atoms Mg

General Formulas and Concepts:

Atomic Structure

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

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

Identify

[Given] 1.8 mol Mg

[Solve] atoms Mg

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

[DA] Set up:                                                                                                       [DA] Multiply [Cancel out units]:                                                                      

Step 4: Check

Follow sig fig rules and round. We are given 2 sig figs.

1.08396 × 10²⁴ atoms Mg ≈ 1.1 × 10²⁴ atoms Mg