What does H2O stand for?

What would most likely be the transmittance of a 0.70 m solution of solute a?

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

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.