Friday
October 24, 2014

Homework Help: Chem Help PLEASE!

Posted by Taylor on Wednesday, March 14, 2012 at 8:57pm.

Asked earlier but got no reply :/ hopefully I get one now cause I'm really stuck and can't completely my assignment cause of one question..

How many grams of dry NH4Cl need to be added to 1.90 L of a 0.200 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.99? Kb for ammonia is1.8*10^-5.

Can anyone help me with this question? Thanks in advance!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

biology - I have to do a lab report on the effect of metal ions on enzyme ...
Physics ( check answers) - Question 1 A 0.50 kg football is thrown with a ...
Physics ( check answers) - Question 1 A 0.50 kg football is thrown with a ...
Business(please help quick!) - Please don't provide any links. We are doing a ...
Fallacy - My assignment is to find fallacies in a newspaper editorial and a ...
physics - A convex mirror has a focal length of 19.0 cm. Determine the object ...
MATH - Hi, I really need help with these questions. I did some of them halfway, ...
AP Chemistry - okay, so i'm working on a specific heat lab right now. I have one...
AP Chemistry - okay, so i'm working on a specific heat lab right now. I have one...
drwls, or other tutors - does my last postage seem correct for the answers that ...

Search
Members