Which substance is acting as the Brønsted-Lowry acid in the following chemical reaction?

NH4 + OH- yields NH3 + H2O

NH4+

OH-

NH3

H2O

Question

Which substance is acting as the Brønsted-Lowry acid in the following chemical reaction? 

NH4 + OH- yields NH3 + H2O

 NH4+

 OH-

 NH3

 H2O

alphadxg · Answer

@Avenged7x 
So this definition is that it contributes a H in water. Acid - Donates H and Base accept the H in water.

NH4 goes to NH3 ----> loosing a H so it is donating, so it is a acid.
OH goes to H2O -----> accepting a H, so it is a base.

Answer would be A.

anonymous · Answer

THANKYOU SO MUCH

anonymous · Answer

@malice was this right?

anonymous · Answer

Pretty sure...not in this class anymore, but I generally would delete my "thankyou" replies if I had gotten the question wrong.

anonymous · Answer

If it helps, I ended this class with a 93% and I basically had googled everything XD.......My teacher sucked in this class and chem had a lot of math so no judge ^.^ The last module in chem was pretty easy tho.