Answer:
Listen in Class. The first step to passing any test is to begin preparing right there in the classroom. ...
Review Lab and Lecture Notes. ...
Know the Vocabulary. ...
Develop a Study Schedule. ...
Take Advantage of Online Study Resources.
Explanation:
Filtration
distillation
crystallization
chromatography
Oxygen had 6 valence electrons
Answer:
The percent composition of a component in a compound is the percent of the total mass of the compound that is due to that component. To calculate the percent composition of a component in a compound: Find the molar mass of the compound by adding up the masses of each atom.
What are the statements?.