Part 1: Gravimetric Determination of Carbonate Record your observations in the following chart. Experimental Data Limest

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Part 1 Gravimetric Determination Of Carbonate Record Your Observations In The Following Chart Experimental Data Limest 1 (37.38 KiB) Viewed 129 times

Part 1 Gravimetric Determination Of Carbonate Record Your Observations In The Following Chart Experimental Data Limest 2 (37.38 KiB) Viewed 129 times

Part 1 Gravimetric Determination Of Carbonate Record Your Observations In The Following Chart Experimental Data Limest 3 (27.93 KiB) Viewed 129 times

Part 1: Gravimetric Determination of Carbonate Record your observations in the following chart. Experimental Data Limestone Oyster Shell Mass of flask + acid Mass of boat + sample Mass of boat Mass of flask + acid + sample at 20 min 930092 g 1.5812 h 0.7769 g 93.4 266g ११.12629 0.78379 0.6774 g 99,15szy ११ Reactions Limestone CaCO,(s) + MgCO,(s) + 4 HCl(aq) - CaC),(aq) + MgCl, (aq) + 2 CO(g) + H2O(l) Oyster Shell CaCO,(s) + 2 HCl(aq) → CaCl,(aq) + CO2(g) + H2O() - Calculated Values Limestone Oyster Shell Mass of sample Initial mass of flask + acid + sample Mass of CO, lost at 20 min Moles of CO2 Moles of CO, Moles of CaCO, Moles of MgCo Total mass of MgCO, +CaCO, Mass percent (MgCO, +CaCO) Mass of Caco Mass percent CaCO,

Part 2: The Hardness of Water Samples Experimental Data Concentration of EDTA Sample number Initial burette reading Final burette reading 0,01061m #1 - Tap #2-Tap 35.2 39.71 42.60 #3-Mineral 42.60 45.50 #4-Mineral 33.00 39.71 44.46 Reaction M"(aq) + EDTA"(aq) → [M(EDTA)(aq) where M'* = Ca and My Calculated Values #1 - Tap #2-Tap #3-Mineral #4-Mineral Volume of EDTA used Moles of EDTA used Moles of CaCO Mass of Caco, in mg Hardness of waler Sample