Monday
May 20, 2013

# Homework Help: science

Posted by kate on Tuesday, October 12, 2010 at 5:40pm.

Calculate the molarity of 500. mL of solution containing 21.1 g of potassium iodide

• science - DrBob222, Tuesday, October 12, 2010 at 6:02pm

21.1 g KI is how many moles.
moles = grams/molar mass = ??
Then M = moles/L. Substitute for mols and L and solve for M.

Related Questions

chemistry - A potassium iodide solution is made by mixing 0.520 g of potassium ...
chemistry - Aqueous silver nitrate reacts with aqeous potassium iodide in a ...
Chemistry - I need help working the problems, I dont know how I got the right ...
Chemistry - I need help working the problems, I dont know how I got the right ...
Chemistry - Calculate each of the following quantities: (a) Grams of solute in ...
Chemistry - Calculate each of the following quantities: (a) Grams of solute in ...
chem - The mole fraction of an aqueous solution of potassium perchlorate is 0....
college chemistry2 - calculate the molarity of a solution containing 20.0g of ...
chemistry - What is the molarity of a solution prepared by dissolving 2.41 g of ...
chem - When varsol and iodine in potassium iodide aqueous solution is mixed, two...