Which of the following combinations of information would allow you to calculate concentration in grams per liter? check all that apply.
a. moles of solute and mass of solution
b. moles of solute, mass of solution, and density of solution
c. mass of solute and volume of solution
d. mass of solute and mass of solvent

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Which statement best describes the function of enzymes?