Someone help please let me know what the answer is

7.25 mol

Explanation:

Given data:

Number of moles of sodium carbonate formed = ?

Number of moles of carbonic acid = 7.25 mol

Solution:

Chemical equation:

H₂CO₃ + 2NaOH   →   Na₂CO₃ + 2H₂O

Now we will compare the moles of sodium carbonate with carbonic acid.

                H₂CO₃            :            Na₂CO₃

                    1                  :                  1

                7.25                :                7.25

So from 7.25 moles of carbonic acid same number of moles of sodium carbonate will form.