The PH of a Certain Specimen of Urine Is 4

question 33

Multiple Choice

The pH of a certain specimen of urine is 4.8. What is the hydroxide ion concentration, [OH ^- ], of this solution?

• A) [OH ^- ] = 1.6×10 ^{- 19} M
• B) [OH ^- ] = 6.3×10 ^{- 10} M
• C) [OH ^- ] = 1.6×10 ^{- 5} M
• D) [OH ^- ] = 6.3×10⁴ M
• E) [OH ^- ] = 1.6×10⁹ M

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Definitions:

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard amount expected, multiplied by the standard cost per unit.

Food And Supplies

Items necessary for operating a business, such as a restaurant or hotel, including both edible products and necessary materials.

Spending Variance

The difference between the actual amount spent and the budgeted or expected amount in a given period, often related to costs or expenditures.

Materials Price Variance

The difference between the actual cost of materials used in production and the expected (or standard) cost, indicating how much more or less was spent on materials than anticipated.