Hi,

Now that's interesting, both yourself and GD discuss high/grade school which
I guess are US terms and then comment on standards making the assumption; I
think, that this guy is from the US. Me, I'm convinced he's English, the
problem is pandemic.

Mike

"JLatham" wrote:

Damn! Good thing I didn't choose kimystery as a major! Thanks for the
correction to the correction, seriously.

How odd that I should have forgotten how to spell it after only about 40
years of never so much as using it in a sentence or uttering it in
conversation.

"Ken Johnson" wrote:

On May 11, 10:28 am, Gord Dibben <gorddibbATshawDOTca wrote:
The proper spelling is Avagadro's Constant and can be found by searching
the 'net.

I sincerely hope your instructor did not teach you "avagardos constant"

Gord Dibben MS Excel MVP

On Sat, 10 May 2008 14:25:00 -0700, Dave wrote:
OK I understand that but my Chem tutor keeps rattling on about avagardos
constant and I thought i need that to work out moles

"Mike H" wrote:

Hi,

So it's homework time is it?

Firstly you can't do it solely in Excel without reference to a table of
atomic weights and from that you should discover the following:-

Hydrogen atomic weight = 1.0079
Oxygen atomic weight = 15.994
Put these 2 values in A1(hydrogen) and A2(oxygen)
Now work out number of moles with this formula
=1000/(A1*2+A2)

To make it more flexible you could put the 1000gms in a cell and reference
it in the formula
=A3/(A1*2+A2)

Mike

"Dave" wrote:

HELP!

How in Excel do I work out how many moles are in 1kg of water. Desperately
need an answer for Monday morning.

:)

But it's Avogadro.

Ken Johnson