If it takes 20 mL of 0.35 M H₂SO₄ to neutralize 50 mL of NaOH solution, what is the concentration of the NaOH solution? A 0.21 M
B 0.07 M
C 0.14 M
D 0.28 M

Can smoke be transformed into liquid or used as energy or both?

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both