Calculate the PH of a Solution That Is 0 $\times$ 10^-4)and 0

question 43

Multiple Choice

Calculate the pH of a solution that is 0.50 M in HF (K_a = 7.2 $\times$ 10^-4) and 0.95 M in NaF.

• A)3.14
• B)3.42
• C)0.28
• D)10.58
• E)2.86

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Definitions:

Net Income

The total profit of a company after all expenses and taxes have been subtracted from total revenue.

Contribution Margin

The difference between sales revenue and variable costs, indicating the contribution of sales to fixed costs and profits.

Sales Increase

A rise in the volume or amount of products or services sold by a business.

Break-Even Sales

The amount of revenue needed to cover both fixed and variable expenses, resulting in a net income of zero.