Posted by **J** on Monday, January 22, 2007 at 10:19pm.

how about expressing 230 parts per thousand (ppt) of SO4^2- in mol

per kg?

230 ppt is 230 g/1000 g = 230 g/kg.

Convert 230 grams into mols and you have it.

SO, I come up with an answer of 2.39 mol/kg. Correct?

J

## Answer this Question

## Related Questions

Chemistry - Express the following in mol/kg [H+]in a water with a pH of 6.8? Ok...

more of the same - The answer to this should be 201.7, but I keep getting off ...

algebra help - I am really confussed on this question can some one help me out ...

Pre-Calculus - A local photocopying store advertises as follows. " We charge 14 ...

Math - Each fire hose is 25 yards long. What is the minimum number of hose for a...

chemistry - how many more neutrons does thorium-230 have then protons? how many ...

Math - The half life of Uranium 230 is 20.8 days. How long would it take for 20...

SCI/230 - i am taking SCI/230 from the Univ of Phoenix and I need to know what ...

Alegbra - I need help with this problem 0.3x-0.2y=4 0.5x+0.5y=45/23 3x-2y=40 5x+...

Maths - Please help!!! The mass of a particular substance is known to grow ...