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14 votes
14 votes
1) 14.7 moles of Au react, how many grams of Au will that be?

User Kjensen
by
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1 Answer

14 votes
14 votes

Answer:

2900 g Au

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Chemistry

Atomic Structure

  • Reading a Periodic Table
  • Moles

Stoichiometry

  • Using Dimensional Analysis

Step-by-step explanation:

Step 1: Define

[Given] 14.7 mol Au

[Solve] g Au

Step 2: Identify Conversion

[PT] Molar Mass of Au - 196.97 g/mol

Step 3: Convert

  1. [DA] Set up:
    \displaystyle 14.7 \ mol \ Au((196.97 \ g \ Au)/(1 \ mol \ Au))
  2. [DA] Multiply [Cancel out units]:
    \displaystyle 2895.46 \ g \ Au

Step 4: Check

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

2895.46 g Au ≈ 2900 g Au

User Miketreacy
by
3.5k points