How many grams of aluminum hydroxide are obtained from 13.7 g of aluminum sulfide? ?

The mass of aluminium hydroxide obtained is 14.196 grams.

Explanation:

To calculate the number of moles, we use the equation:

   .....(1)

Given mass of aluminium sulfide = 13.7 g

Molar mass of aluminium sulfide = 150.158 g/mol

Putting values in equation 1, we get:

The chemical reaction of aluminium sulfide with water follows the equation:

By Stoichiometry of the reaction:

1 mole of aluminium sulfide produces 2 moles of aluminium hydroxide.

So, 0.091 moles of aluminium sulfide will produce = of aluminium hydroxide.

To calculate the mass of aluminium hydroxide, we use equation 1:

Moles of aluminium hydroxide = 0.0182 moles

Molar mass of aluminium hydroxide = 78 g/mol

Putting values in equation 1, we get:

Hence, the mass of aluminium hydroxide obtained is 14.196 grams.