Answer to Question #331303 in Chemistry for decky

Question #331303

3-10. An analysis of city drinking water for total hardness produced the following results (in ppm CaCO,): 228.3, 226.4, 226.9, 227.1, and 228.6. Calculate the following.

(a) mean

(c) range

(e) standard deviation

(b) median

(d) average deviation

3-12. If the true concentration of CaCO, in the drinking water described in Problem 3-10 is 225.9 ppm, calculate the absolute and parts per thousand error.

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