Which information is necessary to determine the molarity of a solution if the chemical formula of the solute is known?
a. the mass of solute dissolved and the volume of solvent added
b. the molar mass of both the solute and the solvent used
c. the mass of solute dissolved and the final volume of the solution
d. only the volume of solvent used
e. only the mass of solute dissolved

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?

Many free radicals combine to form molecules that do not contain any unpaired electrons. the driving force for the radical–radical combination reaction is the formation of a new electron‑pair bond. consider the chemical equation. n(g)+no(g)⟶nno(g) n(g)+no(g)⟶nno(g) write lewis formulas for the reactant and product species in the chemical equation. include nonbonding electrons. n(g)n(g) select draw rings more erase select draw rings more erase select draw rings more erase n no(g)

Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!