Desalination is important to both dubai and the united arab emirates because the process involves what?

Answer : Option B) Provided the majority of freshwater resources.

Explanation :

Desalination is important to both Dubai and the United Arab Emirates because the process has provided the majority of freshwater resources.As the water resources which are found in Dubai and United Arab Emirates are majorly groundwater resources which has more than 8 times more saline water compared to the seawater. Desalination of these available water resources is important to enable the people with freshwater resources. Desalination is the process where the salt and other mineral components are removed from the water resources.

first, consult an activity series chart to determine if al is more reactive than fe. it is, so it will replace the fe. now, one can continue with the problem.

next, make sure you have a correctly balanced equation.

3feo + 2al ==> 3fe + al2o3

now, determine which reactant (feo or al) is in limiting supply.

moles feo present = 125 g x 1 mole/71.8 g = 1.74 moles

moles al present = 25.0 g x 1 mole/26.98 g = 0.927 moles

since from the balanced equation, it take 3 mol feo for every 2 mol al, al will be limiting.

you can determine this simply by dividing moles of each by their coefficient in the balanced equation. for example: 1.74/3 = 0.58 and 0.927/2 = 0.464. al is less, so it is limiting.

finally, using the stoichiometry in the balanced eq. determine mass of fe that can be produced from 0.927 moles of al.

0.927 moles al x 3 moles fe/2 moles al x 55.8 g/mole = 77.6 g