M8insleeshylul M8insleeshylul

17-05-2017
Chemistry

contestada

What is the ph of a 0.15 m solution of ammonium chloride?

Respuesta :

jskjfkjakdjh jskjfkjakdjh

17-05-2017

Best Answer: (a)
8.9 x 10^-7 = x^2 / 0.15-x
x = [OH-] = 0.00037 M
pOH = 3.4
pH = 14 - 3.4 = 10.6

(b)
Ka = Kw/Kb = 5.6 x 10^-10 = x^2 / 0.20-x
x = [H+] = 0.000011 M
pH = 5.0

Answer Link

Otras preguntas

I PROMISE BRAINLIST; 5-STARS; THANKS!! IT'S VERY SIMPLE; BELIEVE ME What type of trend does the scatter plot below show? What type of real-world situation might

how did European countries benefit from establishing colonies in north america

Plz help me solve this page ASAP 20POINTS!!!!!

An unknown radioactive element decays into non-radioactive substances. In 180 days the radioactivity of a sample decreases by 73 percent.(a) What is the half-li

This organelle is defective in the inherited disorder Tay-Sachs disease

Design an experiment to compare heart and breathing rates pre- and post-exercise students that do and do not regularly participate in a sport. What do predict w

how to factor 25v^2+5v^2+30v+6 (please show work)

The universal regulatory mechanism in eukaryotes for controlling gene expression includes A. control of the processing of mRNA after it is transcribed from DNA

What were the Clean Water Act and the Safe Drinking Water Act designed to do? create the Environmental Protection Agency manage the Superfund program for water

In the human body,muscle cells have an increased need for energy during excercise. To help supply this energy the body will immediately increase