Each of the three vinylic protons of styrene is split by the other two, and the J values are found to be Jab = 11 Hz, Jac = 17 Hz, and Jbc = 1 Hz. Using this information, draw the expected splitting pattern for each of the three signals (Ha, Hb, and Hc).

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

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution