(Question)
Q: The mass percentage of a solution component is defined as the ratio of the component's mass to ________? Choices: - enough ' s mass - solvent's mass - liquid's mass - solution ' s mass A:
(Answer)
solution ' s mass

(Question)
Q: What term is used to describe the sequence of elementary steps that together comprise an entire chemical reaction? Choices: - source mechanism - elemental mechanism - potassium mechanism - reaction mechanism A:
(Answer)
reaction mechanism

(Question)
Q: Gram-positive and gram-negative bacteria are distinguished by thickness of what? Choices: - cell membrane - cell weight - cell length - cell wall A:
(Answer)
cell wall