Question

Find the number of moles of argon in 534 g
of Argon

Answer 1

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

Step-by-step explanation:

Answer 2

13.4 mol Ar

General Formulas and Concepts:

Chemistry - Atomic Structure

• Reading a Periodic Table
• Using Dimensional Analysis

Step-by-step explanation:

Step 1: Define

534 g Ar

Step 2: Identify Conversions

Molar Mass of Ar - 39.95 g/mol

Step 3: Convert

`534 \ g \ Ar((1 \ mol \ Ar)/(39.95 \ g \ Ar) )` = 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