A 236-G Sample of an Acid,H₂X,requires 45

question 1

Multiple Choice

A 2.36-g sample of an acid,H₂X,requires 45.0 mL of a 0.500 M NaOH solution for complete reaction (removing both protons) .The molar mass of the acid is:

• A)105
• B)255
• C)232
• D)210
• E)none of these

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Definitions:

Interval

A range or distance between two points or values, often referring to time or space.

Level Of Measurement

The classification of a variable depending on how its values can be measured or categorized, such as nominal, ordinal, interval, or ratio.

Nominal

Pertaining to data classified into mutually exclusive categories without any order or rank.

Ordinal

Refers to a type of categorical variable with a set order or scale, but without a fixed interval between its values.