1. Determine the empirical formula of a compound with the following composition by mass: 10.4 % C, 27.8 % S, 61.7 % Cl (Hint: Assume the 100 grams of the compound).

Group of answer choices

a) CS₂Cl

b) C₂SCl

c) CSCl₂

d) C₂SCl

2. Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide according to the following balanced equation:

Al₂S₃ + 6 H₂O ---> 2 Al(OH)₃ + 3 H₂S

How many grams of aluminum hydroxide are obtained from 14.2 g of aluminum sulfide?

Group of answer choices

a) 35.4 g Al(OH)₃

b) 29.8 g Al(OH)₃

c) 22.6 g Al (OH)₃

1d) 4.7 g Al(OH)₃