Mass of hydrogen required when 4.5 grams of oxygen reacts to form water for the balanced reaction 2 h₂ + o₂ → 2 h₂o assume o = 16.0 g/mole h = 1.0 g/mole

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

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 electron configuration represents the electrons in an atom of sodium in the ground state at stp