Asked Feb 12, 2020

Can you show me how to calculate this?

You have calculated the [NaOH] for three trials shown below;

.1011M, .1012M, .1015M

Calculate the %RSD. A 0.3% RSD or less is required. Based on your calculations should 1 more trial be performed?


Expert Answer

Step 1


Concentrations: .1011M, .1012M, .1015M

Step 2

Calculation Average (mean) of concentrations:

Chemistry homework question answer, step 2, image 1

Step 3

Calculation Standard deviation of concentrations:

Chemistry homework question answer, step 3, image 1


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