A 250 ML Sample of H₃PO₄ Requires 50

question 59

Multiple Choice

A 25.0 mL sample of H₃PO₄ requires 50.0 mL of 1.50 M NaOH for complete neutralization. What is the molarity of the acid?
H₃PO₄ + 3NaOH → Na₃PO₄ + 3H₂O

• A) 0.333 M
• B) 3.00 M
• C) 1.50 M
• D) 1.00 M
• E) 0.750 M

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Definitions:

Useful Life

The estimated duration of time that an asset is expected to be functional and economically viable for its intended purpose.

Salvage Value

The calculated future selling price of an asset at the end of its period of benefit.

Depreciation Expense

Dividing the expenditure associated with a tangible asset over its operational life.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life, reflecting its decrease in value due to use, wear and tear, or obsolescence.