Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
Based on how the indicator phenolphthalein worked in Lab III, explain why the golden rod paper turned color when sprayed with Windex (a base) and changed back to the golden rod color when treated with vinegar (an acid) in the demonstration in class.
1 answer
Bases turn phenolphthalein pink and acids leave it colorless.
You can
ask a new question
or
answer this question
.
Related Questions
Rod A is
9 10 m long. It is 1 8 m longer than Rod B. Rod C is 1 10 m shorter than Rod B. What is the length of Rod C?
Explain why, when a polythene rod which has been rubbed with any cloth is held high above small pieces of paper on a table, the
Am i correct for the following?
1. "quick data" such as that of a mass measurement on a balance located at the far side of the
To determine the sodium carbonate content & total alkali in NaOH, the following steps were performed:-
1) 2.0g of NaOH was
Phenolphthalein would not be an appropriate indicator to use to determine the Ka1 of phosphoric acid Why not? what indicator
Explain why Na2CO3 against HCL titration using phenolphthalein indicator does not go to completion but stops at the NaHCO3
Use the lab report below to Complete the Unit 7 portfolio. This lab report is based on the lab investigations given in Connexus
Potassium tetraoxalate has the formula H2C2O4.KHC2O4.xH2O. 1.923 g of the above compound was neutralized by 22.7 mL of 1.000 M
why sodium carbonate against hydrochloric acid titration using phenolphthalein indicator does not go to completion but stops at
If you have two solutions, one of pH 7 and one of pH 9, but they are not labeled, which indicator would be used to identify the