What is the molality when 0.15 mol so2 is dissolved in 100 ml water? remember 1 ml of water = 1 gram of water)

100mg magnesium reacts with 20ml of 1.0m hcl

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

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