Podcast
Questions and Answers
What is another term for the formula mass of a covalent compound?
What is another term for the formula mass of a covalent compound?
- Atomic number
- Avogadro's number
- Molecular mass (correct)
- Molar mass
Which quantity is represented by Avogadro's number?
Which quantity is represented by Avogadro's number?
- Atomic mass units of a substance
- Number of protons in an atom
- Molar mass of a compound
- Number of entities in 1 mole of substance (correct)
How does the formula mass (amu) compare to the molar mass (g/mol) for any substance?
How does the formula mass (amu) compare to the molar mass (g/mol) for any substance?
- Molar mass is larger than formula mass
- They are equal (correct)
- Formula mass is in kg, while molar mass is in g/mol
- Formula mass is larger than molar mass
What defines the chemical identity of a substance?
What defines the chemical identity of a substance?
What does a compound's percent composition provide?
What does a compound's percent composition provide?
Why is the empirical formula of a covalent compound compared to its molar mass?
Why is the empirical formula of a covalent compound compared to its molar mass?
What type of mixtures are solutions?
What type of mixtures are solutions?
What is the definition of molarity?
What is the definition of molarity?
Which unit is used to express lower concentrations conveniently?
Which unit is used to express lower concentrations conveniently?
What does dilution refer to in the context of solutions?
What does dilution refer to in the context of solutions?
An aqueous solution is one where the solvent is:
An aqueous solution is one where the solvent is:
Which term is used for the components dissolved in a solvent?
Which term is used for the components dissolved in a solvent?
What type of units are commonly used in environmental, medical, and other fields?
What type of units are commonly used in environmental, medical, and other fields?
Which equation represents a relation between concentrations and volumes of a solution before and after dilution?
Which equation represents a relation between concentrations and volumes of a solution before and after dilution?
What is a measure of the relative amount of solute in a given amount of solution?
What is a measure of the relative amount of solute in a given amount of solution?
