Homework Answers
![Mean(x) = 0.0llo + 0.0113 +0.0113 +0.0112 + 0.0116 to 0112+0.0112+ 0.0115 π = 0.0903 ã = 0.0112875 px 0. 0113] Average class](http://img.homeworklib.com/questions/8c6f6c60-ee43-11eb-9c42-9d67a4e7f35c.png?x-oss-process=image/resize,w_560)
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need the average of class concetration EDTA in M and the standard
deviation of the...
EDTA concentrations for each titration Fine 2 Part A: Standardization of EDTA Concentration of CaCl, solution...
EDTA concentrations for each titration
Fine 2 Part A: Standardization of EDTA Concentration of CaCl, solution ().01 m Rough Fine 1 Volume of CaCl, Initial Volume EDTA 0.72 22.69 Final Volume EDTA 12.51 32,13 Volume EDTA added 11.79 quy Calculate EDTA concentration. Show the calculations for your fine titrations. 32.13. 4.51 9.38 Calculation: Calculation: Average concentration EDTA using fine titrations, Average volume of EDTA added using fine titrations1.4
The following should be attached to this worksheet: 4 Data sheet stapled to back of DRA....
The following should be attached to this worksheet: 4 Data sheet stapled to back of DRA. Part A: Standardization of EDTA Concentration of CaCl, solution -01 Rough Fine 1 Fine 2 Volume of CaCl, met ops 10ml 10 ml Initial Volume EDTA ul. 43 ml 40.0 mb 31.9m Final Volume EDTA 36-43 m 31.39mL al. 60ml Volume EDTA added lo ml 18.61ml 9:19 mb Calculate EDTA concentration. Show the calculations for your fine titrations. 300 9.40 21-60 ml mL Calculation:...
concentration of EDTA : 0.0104375 M Part B: Determination of water hardness Fine 1 Fine 2...
concentration of EDTA :
0.0104375 M
Part B: Determination of water hardness Fine 1 Fine 2 Initial Volume of EDTA Final Volume EDTA 0.10mL 10.70mL 1 10.60mL 0.10mL 10.80mL 10.70mL Volume EDTA added Volume of EDTA for water sample Calculate Ca2+/Mg2+ concentration in the water sample. Show the calculations for each titration. Calculation: Calculation: Average concentration of Ca2+/Mg2+ from fine titrations
Calculations of hardness as CaCO3 in ppm and the Standard deviation and % Relative deviation. I n...
Calculations of hardness as CaCO3 in ppm and the Standard
deviation and % Relative deviation. I need help step by step on how
to calculate these.
Trial 1 50.00 33.52 Trial 2 Trial 3 50.00 31.92 Trial 4 Volume of water sample used (mL) Volume of EDTA titrant used (mL) Average Conc. of 50.00 32.47 EDTA (M)4 x10 Hardness as CaCOs (ppm) Average Hardness as CaCOs (ppm) Standard Deviation %Relative Standard Deviation 95% Cl
Trial 1 50.00 33.52 Trial 2...
Calculations for the % CaO using these numbers from the experiment are not right. I need help fig...
calculations for the % CaO using these numbers from
the experiment are not right. I need help figuring out how to
calculate the percentage
1 Trial 2 l rial Trial 3 Hal (rapp Mass of CaCO mL H20 100.00 standard (g)0.1434 Volume of CaCO3 used (mL) Volume of EDTA used (mL) as.elmLIAk,7| n,し1a8.48mL 3 Conc. EDTA (M) Average Conc. EDTA (M) %Relative Standard Deviation (RSD) Mass of unknown Ca2" (g) Volume of unknown 3 | 9 , 31 100.00 mL...
RAW DATA AND OBSERVATIONS PART 1 DETERMINATION OF TOTAL HARDNESS Concentration of standardized EDTA(ag) O.06162 Table...
RAW DATA AND OBSERVATIONS PART 1 DETERMINATION OF TOTAL HARDNESS Concentration of standardized EDTA(ag) O.06162 Table 1-Titrations of 25.00 mL aliquots of mineral water with -0.01 mol L EDTA(aq at pH 10 using Calmagite® as indicator (2,5 marks) Sample 2 l 3 4 Fmol bue He i3 96 b.05 21-70 Volume CmL) Inital bunette 3 46 5.60 i7-30 volume Cm) 10 46 Volume of EDTA oddud Cmb iO.40 CALCULATIONS Use the average volume of EDTA(aq) added to your three titrations...
To determine the Ca^2+ concentration in water sample, a standard EDTA solution of 0.01988 M was...
To determine the Ca^2+ concentration in water sample, a standard EDTA solution of 0.01988 M was used to titrate 25 ml. of the sample solution with the presence of an ammonium buffer (pH 10). If 15.80 ml. of the standard EDTA was used to reach the end point, calculate the molar concentration and the ppm concentration of the unknown Ca^2+ (atomic weight of Ca = 40.08g/mole) solution The amount of 0.2915g of benzoic acid was dissolved in 100 ml. of...
can someone help with my lab for hard water determination Date DATA SHEET: EXPERIMENT 17 Standardization of EDTA...
can someone help with my lab for hard water
determination
Date DATA SHEET: EXPERIMENT 17 Standardization of EDTA Solution A. 8.0003 Concentration of standard Ca2 solution 1. Trial #1 Trial #2 Trial #3 5.00 mlL 25,00 mL Volume of standard Ca2 2. mL 17.00 mL Final buret reading mL mL 3. O00 mL OO0 mL Initial buret reading 4. mL 00 mL Volume of EDTA used 5. mL mL 6 Molarity of EDTA (Show set-up) М as.oomLcax 8.00 10 I...
PRE-LABORATORY QUESTIONS, WATER: DETERMINING THE CONCENTRATION OF CALCIUM IONS IN WATER SAMPLES EXPT. SA HARD Prior...
PRE-LABORATORY QUESTIONS, WATER: DETERMINING THE CONCENTRATION OF CALCIUM IONS IN WATER SAMPLES EXPT. SA HARD Prior to coming to lab, carefully read the entire experimental procedure that follows and write an outline of the procedure in your lab notebook IN YOUR OWN WORDS (do not simply copy). Then, add three tables for your titrations of the blank, tap water, and CaCl samples. Complete these problems and hand in gt the bexinning of the laboratory period. Show all work. EDTA is...
1. Calculate the average and standard deviation for the mass of water contained in the beaker....
1. Calculate the average and standard deviation for the mass of water contained in the beaker. What does the standard deviation tell you about the precision of the beaker? Remember that you will use your data to support your choice in your discussion. a. フ-go2 TABLE 1.10 Beaker Calibration Calculations Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 7.6 20 7.7907.770 7-7707.9727.755 7.6u3 7.994 7-793 7.8257.9963.02 フ·878らm4 mass water delivered volume water delivered average volume delivered...
EDTA concentrations for each titration
Fine 2 Part A: Standardization of EDTA Concentration of CaCl, solution ().01 m Rough Fine 1 Volume of CaCl, Initial Volume EDTA 0.72 22.69 Final Volume EDTA 12.51 32,13 Volume EDTA added 11.79 quy Calculate EDTA concentration. Show the calculations for your fine titrations. 32.13. 4.51 9.38 Calculation: Calculation: Average concentration EDTA using fine titrations, Average volume of EDTA added using fine titrations1.4
The following should be attached to this worksheet: 4 Data sheet stapled to back of DRA. Part A: Standardization of EDTA Concentration of CaCl, solution -01 Rough Fine 1 Fine 2 Volume of CaCl, met ops 10ml 10 ml Initial Volume EDTA ul. 43 ml 40.0 mb 31.9m Final Volume EDTA 36-43 m 31.39mL al. 60ml Volume EDTA added lo ml 18.61ml 9:19 mb Calculate EDTA concentration. Show the calculations for your fine titrations. 300 9.40 21-60 ml mL Calculation:...
concentration of EDTA :
0.0104375 M
Part B: Determination of water hardness Fine 1 Fine 2 Initial Volume of EDTA Final Volume EDTA 0.10mL 10.70mL 1 10.60mL 0.10mL 10.80mL 10.70mL Volume EDTA added Volume of EDTA for water sample Calculate Ca2+/Mg2+ concentration in the water sample. Show the calculations for each titration. Calculation: Calculation: Average concentration of Ca2+/Mg2+ from fine titrations
Calculations of hardness as CaCO3 in ppm and the Standard
deviation and % Relative deviation. I need help step by step on how
to calculate these.
Trial 1 50.00 33.52 Trial 2 Trial 3 50.00 31.92 Trial 4 Volume of water sample used (mL) Volume of EDTA titrant used (mL) Average Conc. of 50.00 32.47 EDTA (M)4 x10 Hardness as CaCOs (ppm) Average Hardness as CaCOs (ppm) Standard Deviation %Relative Standard Deviation 95% Cl
Trial 1 50.00 33.52 Trial 2...
calculations for the % CaO using these numbers from
the experiment are not right. I need help figuring out how to
calculate the percentage
1 Trial 2 l rial Trial 3 Hal (rapp Mass of CaCO mL H20 100.00 standard (g)0.1434 Volume of CaCO3 used (mL) Volume of EDTA used (mL) as.elmLIAk,7| n,し1a8.48mL 3 Conc. EDTA (M) Average Conc. EDTA (M) %Relative Standard Deviation (RSD) Mass of unknown Ca2" (g) Volume of unknown 3 | 9 , 31 100.00 mL...
RAW DATA AND OBSERVATIONS PART 1 DETERMINATION OF TOTAL HARDNESS Concentration of standardized EDTA(ag) O.06162 Table 1-Titrations of 25.00 mL aliquots of mineral water with -0.01 mol L EDTA(aq at pH 10 using Calmagite® as indicator (2,5 marks) Sample 2 l 3 4 Fmol bue He i3 96 b.05 21-70 Volume CmL) Inital bunette 3 46 5.60 i7-30 volume Cm) 10 46 Volume of EDTA oddud Cmb iO.40 CALCULATIONS Use the average volume of EDTA(aq) added to your three titrations...
To determine the Ca^2+ concentration in water sample, a standard EDTA solution of 0.01988 M was used to titrate 25 ml. of the sample solution with the presence of an ammonium buffer (pH 10). If 15.80 ml. of the standard EDTA was used to reach the end point, calculate the molar concentration and the ppm concentration of the unknown Ca^2+ (atomic weight of Ca = 40.08g/mole) solution The amount of 0.2915g of benzoic acid was dissolved in 100 ml. of...
can someone help with my lab for hard water
determination
Date DATA SHEET: EXPERIMENT 17 Standardization of EDTA Solution A. 8.0003 Concentration of standard Ca2 solution 1. Trial #1 Trial #2 Trial #3 5.00 mlL 25,00 mL Volume of standard Ca2 2. mL 17.00 mL Final buret reading mL mL 3. O00 mL OO0 mL Initial buret reading 4. mL 00 mL Volume of EDTA used 5. mL mL 6 Molarity of EDTA (Show set-up) М as.oomLcax 8.00 10 I...
PRE-LABORATORY QUESTIONS, WATER: DETERMINING THE CONCENTRATION OF CALCIUM IONS IN WATER SAMPLES EXPT. SA HARD Prior to coming to lab, carefully read the entire experimental procedure that follows and write an outline of the procedure in your lab notebook IN YOUR OWN WORDS (do not simply copy). Then, add three tables for your titrations of the blank, tap water, and CaCl samples. Complete these problems and hand in gt the bexinning of the laboratory period. Show all work. EDTA is...
1. Calculate the average and standard deviation for the mass of water contained in the beaker. What does the standard deviation tell you about the precision of the beaker? Remember that you will use your data to support your choice in your discussion. a. フ-go2 TABLE 1.10 Beaker Calibration Calculations Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 7.6 20 7.7907.770 7-7707.9727.755 7.6u3 7.994 7-793 7.8257.9963.02 フ·878らm4 mass water delivered volume water delivered average volume delivered...
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