Wednesday
August 27, 2014

Homework Help: Chemistry

Posted by Shell on Thursday, May 19, 2011 at 12:32am.

Preparing solutions
a. A solution was prepared by dissolving 5.65 g potassium bromide in 32.67 g water. What is the concentration of this solution in weight percent?
b. The solution was poured into a 100 mL volumetric flask and water was added to the mark on the flask. What is the concentration of the solution in moles per liter?
c. Using a pipet, 10 mL of the solution in part b was placed in a 25 mL volumetric flask and the flask filled to the mark with water. What is the concentration of the new solution?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

CHEMISTRY - Consider an aqueous solution prepared from 250.0 mL of water and 1....
Chemistry - A lab assistant prepared a potassium chloride solution for her class...
chemistry - A saline solution was prepared by dissolving 5.45 g sodium chloride ...
chemistry - A potassium nitrate solution is prepared by dissolving 2.3 g of KNO3...
Chemistry - A student makes a solution by dissolving 55.8 grams of potassium ...
Chemistry - A student makes a solution by dissolving 55.8 grams of potassium ...
Chemistry - A student makes a solution by dissolving 55.8 grams of potassium ...
Chemistry - A student makes a solution by dissolving 55.8 grams of potassium ...
Chemistry - a potassium dichromate is prepared by 0.3525grams of K2Cr2O7 is ...
chemistry - A solution is prepared by dissolving 23.7g of CaCl2 in 375.0g of ...

Search
Members