Respuesta :

Space

Answer:

700 g/mol

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

Explanation:

Step 1: Define

Cr(Cr₂O₇)₃

Step 2: Identify

Molar Mass of Cr - 52.00 g/mol

Molar Mass of O - 16.00 g/mol

Step 3: Find MM

Molar Mass of Cr(Cr₂O₇)₃ - 52.00 + 6(52.00) + 21(16.00) = 700 g/mol

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