What Is the Net Ionic Equation for the Following Reaction $\rightarrow$

question 22

Multiple Choice

What is the net ionic equation for the following reaction? BaCl₂ (aq) + Na₂CO₃ (aq) $\rightarrow$ BaCO₃ (s) + 2 NaCl (aq)

• A) Ba²⁺ (aq)+ CO₃^2- (aq)\(\rightarrow\) BaCO₃ (s)+ 2 NaCl (s)
• B) 2 Na⁺ (aq)+ 2 Cl^- (aq)\(\rightarrow\) 2 NaCl (aq)
• C) Ba²⁺ (aq)+ CO₃^2- (aq)\(\rightarrow\) BaCO₃ (s)
• D) Ba²⁺ (aq)+ 2 Cl^- (aq)+ 2 Na⁺ (aq)+ CO₃^2- (aq)\(\rightarrow\) BaCO₃ (s)+ 2 Na⁺ (aq)+ 2 Cl^- (aq)

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Definitions:

Least-Squares Regression Method

Least-Squares Regression Method is a statistical technique used to determine the line of best fit by minimizing the sum of the squares of the differences between the observed and predicted values.

Cost Behavior

The study of how specific costs respond to changes in the level of business activity, categorized into fixed, variable, and mixed costs.

High-Low Method

A technique used in cost accounting to estimate fixed and variable costs based on the highest and lowest levels of activity.

Fixed Cost

Costs that remain unchanged regardless of the level of production or business activity within a certain range.