need the question's on the bottom!!

Lab 1: Reduction of Vanillin to Vanillyl Alcohol Using NaBH. OH C-H H-CH NoBH OCH OH OH 1. Dissolve 2.0 g (0.013 moles) of vanillin in 15 mL of 1 M sodium hydroxide (NaOH) in a 100 ml beaker. Sample weight 2.13 g vanillin and 15 ml NaOH. 2. Add 0.25 g (0.0066 moles) of sodium borohydride (NaBH) and swirl the beaker occasionally for the next 15-20 minutes. NOTE: SODIUM BOROHYDRIDE IS FLAMMABLE AND CORROSIVE. AVOID CONTACT OF THE SKIN OR EYES AND FLUSH WITH WATER COPIOUSLY IF CONTACT OCCURS. WEAR GLOVES AND BE SURE YOUR SAFETY GLASSES ARE ON. Sample weight 0.248 g sodium borohydride. 3. Cool the solution in an ice-bath for 5 minutes. 4. Slowly add approximately 6 - 8 mL of 2.5M HCl, the pH is just