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is NH3 a base or an acid how do u tell?

NH3 is a base because it accepts a proton from H2O.

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help me with this i really need to passIn each equation, determine whether each reactant is the acid or the base and whether

Top answer: NH3(aq) is the base HCOOH(aq) is the acid HCOO-(aq) is the conjugate base NH4+(aq) is the conjugate Read more.
can you help me with thisClassify each reactant as a Brønsted-Lowry acid or base. Part 1 of 2 Acid:

Top answer: Part 1 of 2: Acid: HCN (aq) Base: NH3 (aq) Part 2 of 2: Acid: HCO3- (aq) Base: NH3 (aq) Read more.
The [H3O+] of a solution with pH = 3 is-10 M. 10 M. 1 x 10-3 M. 1 x 103 M. 1 x 10-11 M. Identify the acid(s) and base(s) in the

Top answer: For 1, pH = -log(H^+). Plug and chug. If you don't understand how to do this, explain your exact Read more.
Ammonia (NH3) is a weak base with a Kb= 1.8 X 10^-5 and hydrochloric acid (HCl) is a strong acid. What is the pH of a mixture

Top answer: Use the Henderson-Hasselbalch equation. Post your work if you get stuck. Read more.
Which of the following Acid+Base titration combinations would have a buffering region in their plot?1)Strong Acid+Strong base

Top answer: And btw, bases are being titrated into acids. Read more.
can you help me with this In each equation, determine whether each reactant is the acid or the base and whether each product is

Top answer: Reactant: HCOOH is the acid, NH3 is the base Product: NH4+ is the conjugate acid, HCOO- is the Read more.
I need someone to check these questions. I know its a lot of questions.2NH3 + Ag+ Ag(NH3)2+ a. What is the Lewis acid in this

Top answer: 1c. I'm sure you meant to type in nitrous acid. 1e. Several sites listed this as peroxynitric acid, Read more.
I need to predict the acid/base reactions of sodium carbonate with HCl, CH3COOH, NH3, and NaOH.I'm stuck, when I'm writing out

Top answer: When writing out the ions for sodium carbonate (NaHCO3), it becomes Na+ and HCO3-. The Na+ ion comes Read more.
Calculate the equilibrium constant for the following reaction of a weak acid and base HF + NH3 <=> NH4+ + F-given Ka (HF) = 6.9

Top answer: I would look at this. Write Ka expression for HF. Write Kb expression for NH3(aq) Write Kw Read more.
for the following reactions label each species as an acid or a base. Indicate the species that are conjugate acids and conjugate

Top answer: I don't see anything wrong with any of your answers; however, I'm interested in answers B and C. I Read more.