Posted by **Danielle** on Monday, October 1, 2012 at 8:16pm.

How do I calculate the overall confidence limit and the overall relative confidence limit for the percent chloride?

I've found the percent mass of chloride in the unknown to be 60.03 % and the formula we were given uses the mean but I have no mean in this case so I am confused

- Chemistry -
**DrBob222**, Tuesday, October 2, 2012 at 12:26am
You didn't run three or more trials and the average was 60.03%?

If you were simply given (or ran only one sample) of 60.03% I would use that as the mean. But with just one result the C.L won't be all that great.

- Chemistry -
**Danielle**, Tuesday, October 2, 2012 at 4:46pm
So should I use the decimal form 0.6003? Or the 60.03%?

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