Wednesday
October 1, 2014

Homework Help: Chemistry

Posted by Josh on Tuesday, April 2, 2013 at 9:54pm.

1. If a student forms CaCO3 from the presence of carbon dioxide, but continued with the trial anyway, how
would this affect his/her calculations (too high, too low, or no effect)? Explain your answers.
a) The volume of NaOH required for the back titration.
b) The calculated moles of HCl neutralized by the antacid.

2. A student performed Part II as outlined in the procedure, but when he added the bromophenol blue the
solution turned blue.
a) Why is the solution blue?
b) What can the student do to correct for this error and salvage this trial? How should the data sheet be
modified to reflect this correction?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Science 1 question - 5. Which of the following would be true during the ...
Science - Which of the following would be true during the inhalation phase of ...
Biology - 20. When the blood enters the gill filaments in a fish, its carbon ...
chemistry - Lab on Determining hard water Not sure if I answered this ...
chemistry - Lab on Determining hard water Not sure if I answered this ...
Chemistry - A sample of sandstone consists of silica, SiO2, and calcite, CaCO3. ...
Chemistry - When we test for carbon dioxide gas, we bubble it through limewater ...
Chemistry - When carbon is burned in air, it reacts with oxygen to form carbon ...
chemistry - When carbon is burned in air, it reacts with oxygen to form carbon ...
chemistry - When carbon is burned in air, it reacts with oxygen to form carbon ...

Search
Members