Mass percent= grams solute/ grams of solution x 100
Mass Percent= (50/ 150)x100= 33.3%
Li is in group 1 so it has same number of valence electrons as hydrogen.
hope it helps.
If the moon did not rotate we would see all hemispheres of the moon as it revolves around the Earth and not just the phases.
3 moles of oxygen will react with 1 mole of ethylene. Convert 12.9 L of oxygen to x moles of oxygen, then divide by three.
