Sunday
April 20, 2014

Homework Help: Chemistry

Posted by Sam on Tuesday, May 10, 2011 at 9:50pm.

How many grams of KNO3 are needed to make 450 mL of a solution that is to contain 5.50 mg/mL of potassium ion?
Calculate the molarity of the solution.

______g
______M

i honestly don't know where to start, but i know that M=mol/L will be involved somewhere...

Please help...

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Urgent... Someone please help!! Can someone please check to see if I...
science - A test solution of sodium acetate is to contain 10 mg/ml of the metal ...
Chemistry - What is the molarity of a solution of Mg(OH)2 if the solution ...
Chemistry - Calculate the molarity of a solution made by dissolving 0.0715 mol ...
Chemistry please help! - Please help. I have no idea how to do these 4 homework ...
chenistry - Calculate the molarity of the following. 45 grams of Na2SO4 ...
Chemistry - Calculate the volume of 2.45 M NaI that would be needed to ...
Chemistry - An aqueous KNO3 solution is made using 73.4g of KNO3 diluted to a ...
science - 50 ml of ZnSO4 solution was transferred to a mercury cathode and ...
science - 50 ml of ZnSO4 solution was transferred to a mercury cathode and ...

Search
Members