Question

How many atoms of oxygen are on the reactants side of this balanced equation?

2AgNO3 (aq)+ Cu(s) —Cu(NO3)2 (aq)+ 2Ag(s)
12
2
3

6

Answer 1

6

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

Stoichiometry

• Analyzing Reactions RxN

Step-by-step explanation:

Step 1: Define

[RxN - Balanced] 2AgNO₃ (aq) + Cu (s) → Cu(NO₃)₂ (aq) + 2Ag (s)

Step 2: Identify

Reactants: 2AgNO₃ (aq) + Cu (s)

# of O atoms: 2(O₃) = 6 O