A Concentrated Nitric Acid Solution Has a Density of 1

question 71

Multiple Choice

A concentrated nitric acid solution has a density of 1.41 g/mL at 25°C and is 15.8 M.What is the percent by mass of HNO_{3 in the solution?}

• A) 70.6% HNO_{3 by mass}
• B) 1.12% HNO_{3 by mass}
• C) 0.895% HNO_{3 by mass}
• D) 1.77% HNO_{3 by mass}
• E) 44.7% HNO_{3 by mass}

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Definitions:

Nominal Level

The most basic level of measurement that categorizes data without implying any quantitative order or degree of difference between the categories.

Median

The middle value in a data set, separating the higher half from the lower half, providing a measure of central tendency that is not influenced by extreme values.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, such as the mean, median, or mode.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the count of numbers.