A Student Adds 0

question 50

Multiple Choice

A student adds 0.1 mol of oxalic acid and 0.1 mol of sodium dihydrogen phosphate to enough water to make 1.0 L of solution. The following equilibrium is established with the concentrations of the products greater than the concentrations of the reactants. Which of the statements about the equilibrium system is correct? H₂C₂O₄(aq) + H₂PO₄(aq) HC₂O₄(aq) + H₃PO₄(aq)

• A) Oxalic acid is a weaker acid than phosphoric acid.
• B) The hydrogen oxalate anion, HC₂O₄, is a stronger base than the dihydrogen phosphate anion, H₂PO₄.
• C) Phosphoric acid is a weaker acid than oxalic acid.
• D) The dihydrogen phosphate anion, H₂PO₄^-, is a stronger acid than oxalic acid.
• E) Water is a stronger acid than either oxalic or phosphoric acids.

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Definitions:

Cost Volume Profit Graph

A graphical representation that shows how changes in cost, volume, and profit affect a company's financial situation.

Break-Even Point

The point at which total costs and total revenue are equal, meaning there is no net loss or gain, and the business is not making a profit.

Total Revenue Line

A graphical representation showing how a company's total revenue changes with different levels of output or sales volume.

Cost Volume Profit Model

A managerial accounting technique used to analyze how costs and sales volume affect profit.