Question

What's the molar mass of Cr(Cr2O7)3

Answer 1

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

Step-by-step 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