15 Questions
Which expression relates weight (w), mass (m), and acceleration due to gravity (g)?
w = mg
What is the SI unit for the amount of a chemical substance?
Mole
What is the molar mass of a substance?
The mass in grams of 1 mole of that substance
How many moles and millimoles of benzoic acid (M=122.1 g/mol) are contained in 2.00 g of the pure acid?
0.0164 mol and 16.4 mmol
What is the purpose of gravimetric analysis in analytical chemistry?
To determine the amount of a certain element or compound present in a sample
What is the relation between weight (w), mass (m), and acceleration due to gravity (g)?
w = mg
What is the SI unit for the amount of a chemical substance?
Mole
What is the molar mass (M.wt, or F.wt) of a substance?
The mass in grams of 1 mole of that substance (g/mol)
What is the distinction between mass and weight?
Mass is an invariant measure of the quantity of matter, while weight is the force of attraction between an object and its surroundings.
In the context of electrolytes, which of the following best describes weak electrolytes?
Ionize only partially
According to the Arrhenius definition, acids produce:
𝐻⁺
How many moles and millimoles of benzoic acid (M=122.1 g/mol) are contained in 2.00 g of the pure acid?
0.0164 mol and 16.4 mmol
What is the concept used in a wide range of substances and organic solvents to define acids and bases?
Lewis concept
Which of the following acids is considered a strong acid that fully dissociates in water?
Perchloric acid
In the Bronsted-Lowry concept, what is the conjugate base of a Brønsted-Lowry acid?
The species formed after an acid loses a hydrogen ion
Test your knowledge of analytical chemistry and units of measurement with this quiz covering topics such as gravimetric analysis, volumetric analysis, spectroscopic analysis, and the International System of Units (SI). Explore the distinction between mass and weight and important units of measurement. Are you ready to dive into the world of analytical chemistry?
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