5. Fill in the Table below with your best three titration results for calcium an

Question

5. Fill in the Table below with your best three titration results for calcium and magnesium together Report volumes and molarities to four signifieant figures. Show your calculations for t Volume Trial EDTA Molarity of Ca plus Mg () .oK r- 6, statistical analysis. Showy your calculations (see App I in the M .01473 4.80x10" Mean molarity ofCaplus Mg (MP + I, ISGx10 Standard Deviation from the Mearn O'OiscI3M C.0(47 4 Relative Standard Deviation from the Mean(in percen): 3s Fill in the Table below with your best three titration results for calcium alone. Report volumes and molarities to three significant figures. Show your calculations for trial 1 7. 6.Orsd Trial EDTA lo0 3.0645 Molarity of Ca alone (M) - 0.0000 9Rn el cape 0160364/n ca a ace 3synt u1.35 ·1078. Statistical analysis. Show your ala a ots( (see Appx.I in the Manual). u.gYx10-10 7.12/xi69 Mean molarity ofCaplusMg (M): Standard Deviation from the Mean: 0.003aUM:-01003A m 180 Relative Standard Deviation from the Mean (in percent): 9, Molarity of the magnesium ion.180 74967- 6.611419

Explanation / Answer

I cannot clearly see the decimal point but just to make sure, the Relative standard deviation should be 3.06 and 1.80% respectively. Rest of the calculations look good.

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