Monday
July 28, 2014

Homework Help: chemistry AP

Posted by maya on Saturday, March 27, 2010 at 9:25am.

methyl red has the following color changes red 4.2 -8.3 yellow
a)write the ionic equilibrium equation
b) If a small quantity of methyl red is placed in a solution with a pH of 4.5 . calculate the approximate value of [In]/[HIn]. What colour would be observed on the basis of the colors of HIn and In
c) Predict the color change of the following indicators over the entire pH range from 0 to 14
Bromocresolpurple, cresol red , thymol blue

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

chemistry 12 - If the pH of a solution is 3.5, what colour will be shown by each...
Chemistry - Which of the following acid-base indicators should be used for the ...
chemistry - The indicator methyl red has a pKhln=4.95 . It changes from red to ...
Chemistry - The indicator Methyl Yellow changes from red to yellow over the pH ...
analytical chemistry - "experiment: spectrophotometric determination of the acid...
The principles of color - Which one of these color combinations is a ...
high school chem - If 250ml of Ba(OH)2 is unknown concerntration with methyl red...
Chemistry - Explain why methyl red would be a good indicator for a titration of ...
hard math - The jelly Junior school color is made by mixing red paint and yellow...
chemistry - I know the formula is Ma x Mla / 1000 x Sa / Sb = Mb x Mlb / 1000 ...

Search
Members