1.Rb and H₂O react according to the following unbalanced chemical equation:

Rb + H₂O ? RbOH + H₂

Calculate the theoretical yield (in grams) of RbOH in the reaction between 0.488 g Rb and 0.595 g H₂O.

2.(CH₃)₃Al reacts with H₂O according to the following unbalanced chemical equation:



(CH₃)₃Al + H₂O ? CH₄ + Al(OH)₃



Calculate the mass in grams of the excess reagent remaining after the complete reaction of 7.15 g of (CH₃)₃Al with 3.29 g of H₂O.