If a person produces 0.050 mole of excess HCl in the stomach, how many moles of Mg(OH)2 are needed to neutralize this excess HCl?

Expert Answers
jeew-m eNotes educator| Certified Educator

`Mg(OH)_2+2HCl rarr MgCl_2+2H_2O`

Mole ratio

`Mg(OH)_2:HCl = 1:2`


There for to react with 1 HCl mole we need 0.5 moles of `Mg(OH)_2`

`Mg(OH)_2` needed to neutralize HCl `= 0.05/2 = 0.025`


So we need 0.025moles of `Mg(OH)_2` to neutralize HCl.