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Can someone solve them ? thanks A 25.0 mL aliquot of a well-shaken and filtered sample of river water is pipetted into an evaporating dish.
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A 25.0 mL aliquot of a well-shaken and filtered sample of river water is pipetted into an evaporating dish. The sample was heated to dryness. Assume the density of the river water was 1.01 g/mL. The following data were collected for Trial 1. Complete the table. (See Report Sheer.) Record calculated values with the correct number of significant figures. A. Total Dissolved Solids (TDS) Calculation Zone 26.217 Part 1.6 51.467 35.291 1. Mass of evaporating dish (g) 2. Mass of water sample plus evaporating dish (g) 3. Mass of water sample (8) 4. Mass of dried sample plus evaporating dish (8) 5. Mass of dissolved solids in 25-ml aliquot of filtered sample (8) 6. Mass of dissolved solids per total mass of sample (g solids/g sample) Show calculation 7. Total solids (g solids/kg sample, ppi) thanks
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