PA1: Quiz 1

The number of moles per kg of solvent.

• M

• N

• m

• F

A non-electrolyte solution has a concentration of 2M. What is its normal concentration?

• 2N

• 4N

• 1N

• 1.5N

Answer explanation

Non-electrolytes have a valence of 1, so the M and N strengths are equal.

You want to know the total alkaloidal content of a plant sample. What type of analysis will you use?

• Proximate Analysis

• Ultimate Analysis

Phosphoric acid valence

• +1

• +3

• +2

• -3

What biological animal is used in the analysis of Atropine relative to its mydriatic effect?

• Cat

• Mouse

• Dog

• None of these

How to calculate the moles of a substance?

• multiplying M and volume

• dividing the substance weight by its MW

• Both are correct

• None of the above

The capacity of a solution to resist a change in pH.

• Buffer capacity

• pH change

• Neutralization

• Titration curve

M x valence

• molality

• molarity

• normality

• formality

The substance being analyze

• analyte

• titrand

• both

• none of these

A substance that changes in color indication that the endpoint is reached

• titrant

• analyte

• indicator

• burette