Chemistry Homework Help

24/7 Chemistry Homework Help

Get step-by-step solutions from expert tutors.

How it works?

Ask a question

Type, take a picture, or paste your question with all necessary details to ensure high-quality responses.

Get an answer in less than 24hrs

Once our tutors receive the question, they'll begin. You'll get an email once the solution is ready.

Get Notified

We will send you email and text notification to let you know when your question is answered.

Browse Homework Solutions

54 solutions

Weak Bases

Q. Find [H+] in an aqueous solution that is 0.24 M in NH3 and 0.67 M in NH4NO3. For NH3, Kb = 1.8x10-5 at 25 oC.

Solved • Aug 18, 2019

Weak Bases

Q. Find the [H+] in a 25oC solution prepared by dissolving 0.20 moles of NaF in water and diluting a volume of 400mL, given that Ka = 6.8 x 10-4 for HF(aq)

Solved • Aug 18, 2019

Weak Bases

Q. calculate the concentration of OH-and the pH of a 0.15 M solution of NH3 at 25 C kb = 1.8 x 10^-5 for NH3 at 25 C

Solved • Aug 17, 2019

Weak Bases

Q. Calculate the pH of a 0.20 M solution of sodium formate (NaHCOO) given that the Ka of formic acid (HCOOH) is 1.8 x 10-4.

Solved • Aug 7, 2019

Weak Bases

Q. Find the pH (25 C) when 30.0 ml of 0.100 M HNO3 (aq) is added to 50.0 ml of 0.100 M NH3 (aq). kb for NH3 at 25 C is 1.8 x 10 ^05 cannot use hasslebalch equation

Solved • Aug 3, 2019