Stomach acid, a dilute solution of HCl can be neutralized by reaction with aluminium hydroxide Al(OH)3 + 3HCl (aq) -> AlCl3 + 3H2O. How many milliliters of 0.1 M Al(OH)3 solution is needed to neutralize 21 ml of 0.1 M HCl?
A. 14 mL
B. 7 mL
C. 21 mL
D. none of these
Answer:B
Stomach acid, a dilute solution of HCl can be neutralized by reaction with aluminium hydroxide Al(OH)3 + 3HCl (aq) -> AlCl3 + 3H2O. How many milliliters of 0.1 M Al(OH)3 solution is needed to neutralize 21 ml of 0.1 M HCl?
A. 14 mL B. 7 mL C. 21 mL D. none of these