Standard addition graph. Students performed an experiment like that in Figure 5-7 in which each flask contained
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(a) Prepare a standard addition graph and find [Na+] in the serum.
(b) Find the standard deviation and 95% confidence interval for [Na+].
Transcribed Image Text:
Na atomic emission signal (mV) 3.13 5.40 7.89 10.30 12.48 Volume of standard (mL) Flask 0 1.000 2.000 3.000 4.000 4
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