Determine the molecular and empirical formulas for the substance shown in the ball-and-stick model below. Molecular Formula Empirical Formula C = black H = gray Cl = green

66) 'N- 2) Hce CH3 67) O HzO 2) KOH CH3 CH3 68) cast ) HzO D H20 2) Na OH

2. Complete the reactions. Br NaCEN H₂/Pd

In the reaction H₂S + H₂O HS + H3O+ water is acting as a Bronsted Lowry base OH2S is acting as a Bronsted Lowry base OH30* is acting as a Bronsted Lowry base

QUESTION 1 Complete the following synthetic transformation by selecung from the list of reagents below Each rangent te labeled with a letter. In the ancwer box, place the order of reagents using capital letters with no spaces. For example, if your synthesis involves using reagent A followed by B, and then C and then D, your answer would be: ABCD. BH3 A Br CrO3, Pyr B SECCEFLEED ? H₂O₂, NaOH с CrO3, Pyr D PCC

Please answer #4,5,6,7