How many grams are in two moles of potassium permanganate?

Answer 1

316.08 g

Answer 2

I cant give u the answer... Im to lazy to work it out, but I can tell u how to figure it out 4 urself.

1. Find the mol wt. of KMnO4. (add all the weights on the periodic table)
**Dont forget u have 4 O atoms so u have to multiply the wt. by 4.
2.This will give u the number of grams per mole. U want 2 moles so multiply by 2.

Here let me lay it out for u.

K: ________
Mn:________
O:_________ (X 4)

Add all those #s in the blanks and multiply by 2.

Answer 3

pottasium permanganate has chemical formular KMnO4. I mole has a mass of :
[molar mass of K] +[molar mass of Mn]+[4*molar mass of O]
=39 + 55 +64 = 159g. Thus 2 moles has twice this mass or 318g

Answer 4

You might find the answer here:

http://chemistry.about.com/library/weekly/aa081302a.htm

&

http://www.chemtutor.com/mols.htm