Respuesta :

Space

Answer:

13.4 mol Ar

General Formulas and Concepts:

Chemistry - Atomic Structure

  • Reading a Periodic Table
  • Using Dimensional Analysis

Explanation:

Step 1: Define

534 g Ar

Step 2: Identify Conversions

Molar Mass of Ar - 39.95 g/mol

Step 3: Convert

[tex]534 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar} )[/tex] = 13.3667 mol Ar

Step 4: Check

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

13.3667 mol Ar ≈ 13.4 mol Ar

Answer:

The number of moles in 452 grams of Argon is 13.31 moles.

Explanation: