You Have Three Sodium Carbonate Solutions on a Lab Table

question 13

Multiple Choice

You have three sodium carbonate solutions on a lab table in front of you. All of the solutions came from a 500.0-mL volumetric flask containing 3.00 M sodium carbonate. Solution 1 contains 148.6 mL of the 3.00 M solution.
Solution 2 contains 58.2 mL of the 3.00 M solution.
Solution 3 contains 33.4 mL of the 3.00 M solution.
How many moles of ions does Solution 1 contain?

• A) 1.34 mol
• B) 0.446 mol
• C) mol
• D) 0.892 mol
• E) 0.669 mol

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Definitions:

Evaluate

To calculate the value of an expression.

Algebraic Expression

An expression built from constants, variables, and a finite number of algebraic operations (e.g., addition, subtraction, multiplication, and division).

Algebraic Expression

A mathematical phrase that can contain ordinary numbers, variables (like x or y), and operators (like add, subtract, multiply, and divide).

Distributive Property

The distributive property is a basic algebraic rule stating that \(a(b + c) = ab + ac\), allowing for multiplication to be distributed over addition or subtraction.