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Please answer 6a through 6e.
Thank you!
6. A 1.500 g sample of a mixture of...
6. A 1.500 g sample of a mixture of solid Na PO, 12H.O mixed with NaCl,...
6. A 1.500 g sample of a mixture of solid Na PO, 12H.O mixed with NaCl, was dissolved in water, reacted with aqueous 1 M SrCl, and 0.520 g Sr.(PO), precipitate was collected and dried to a constant mass. If the reagent tests demonstrated that Na PO:12H.O was the limiting reactant in the precipitation reaction, calculate the mass percent of Na PO, 12H 0 in the original sample. a. How many moles of Sr,(PO), were produced? b. What is the...
Experiment 9 PRE-LABORATORY PROBLEMS 1. Calculate the molar masses of the following compounds a. strontium chloride...
Experiment 9 PRE-LABORATORY PROBLEMS 1. Calculate the molar masses of the following compounds a. strontium chloride hexahydrate, SrCl, 6H,O b. sodium phosphate dodecahydrate, Na, PO 12H,O and c. Strontium phosphate, Sr,(PO) 2. When a hydrated salt dissolves in water, what happens to the water in the salt? 3. What is the overall balanced reaction when an aqueous solution of SrCl, reacts with an aqueous solution of Na,P0,? 4. 2.000 g of Na, PO, 12H,O is reacted with 2.000 g of...
Experiment 8 Prelaboralory A Limiting Re lab Sec. Name L A 1146g mixture of the solid...
Experiment 8 Prelaboralory A Limiting Re lab Sec. Name L A 1146g mixture of the solid salts Na SO, and PtINOJ; forms an aqueous Desk Ne solution with the precipitation of PhSO. The precipitate was filtered and dried, and ins mass was determined to be 0.672 g. The limiting reactant was determined to be Na SO. a. Write the molecular form of the equation for the reaction. b. Write the net ionic equation for the reaction. many moles and grams...
estion is: A 1.276 g mixture of the solid salts Nm,SO. (142.04 g/mol) and Pb(NO3)2 (331.18...
estion is: A 1.276 g mixture of the solid salts Nm,SO. (142.04 g/mol) and Pb(NO3)2 (331.18 g/mol) foms an aqueous solution with the precipitation of PSOE (303.26 /mol). The precipitate was filtered and dried, and its mass was determined to be 0.717. The limiting reactant was determined to be Na SO (4 mark) A. Write the net lonic equation B. What is the percent by mass of each salt in the mixture?
10. Using your answer to 6e: 6e: What percent of the mixture obtained in reaction 1...
10. Using your answer to 6e: 6e: What percent of the
mixture obtained in reaction 1 is the para isomer? para isomer :
37.9%
a) How many millimoles of the para product were
present in the isomeric mixture added in the first step of reaction
2? Please show your work.
b) In order to selectively acetylate the para isomer, equimolar
amounts of acetic anhydride and the para isomer must be present.
Using the millimoles you obtained as your answer to...
Is this answer correct? Also, please help me with the 2nd question. 1. A 1.500-g sample of potassium hydrogen carbon...
Is this answer correct? Also, please help me with the 2nd
question.
1. A 1.500-g sample of potassium hydrogen carbonate is decomposed by heating to produce 1.040 g of potassium carbonate. Calculate the theoretical yield and percent yield of K CO. 2 KHCO3() 4 K2CO3(s) + H2O(g) + CO2(g) 1.500, KHEO3(-)x mo Brux Imot tos 138.2.109 K2CO3 100.129 Hle, 2 mot Kaso, x mol becos 1.0351x100 -0.996 2 (100% 1.040g 1.035 g K2CO3 - 100% 2. A 1.750-g sample containing...
How do you calculate questions 1 - 8 for the data analysis section? A. Precipitation of CaC,O, H,O from the Salt...
How do you calculate questions 1 - 8 for the data analysis
section?
A. Precipitation of CaC,O, H,O from the Salt Mixture Unknown number Trial 1 Trial 2 1. Mass of beaker (g) 59.45 59.45 5.oS Mass of beaker and salt mixture (g) 2. 3. Mass of salt mixture (g) I, oo oS 4. Mass of filter paper (g 5. Mass of filter paper and product after air-dried or oven-dried (g) 0, 35 6. Mass of dried product (g) 7....
plz help im struggling 6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolv...
plz help im struggling
6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolve 4.000 grams of the mixture into enough water to make 50.00 mL of solution. You find that when you titrate your unknown solution, you require 42.19 mL of 1.000 M HCl for complete neutralization. What percentage (by mass) of the unknown mixture is Na CO,? Titration reaction: Na.Co. (aq) + 2 HCl(aq) → 2 NaCl(aq) + C048)...
pl#3 QUESTION 1 A mixture of 0.810g of BaCl 2.2H 2O and Na 2SO 4 produces...
pl#3 QUESTION 1 A mixture of 0.810g of BaCl 2.2H 2O and Na 2SO 4 produces 0.466g of BaSO 4, the limiting reactant in the reaction is Na 2SO 4. Calculate the percent of BaCl 2.2H 2O and Na 2SO 4 in the original mixture. QUESTION 2 Because of the finely divided nature of the Ba 3(PO 4) 2 precipitate, some of it passes through the filter and is not collected. How does this loss of precipitate affect the reported...
i uploaded everything that was given. Where would I find the experiemental values? Complete the calcula...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
6. A 1.500 g sample of a mixture of solid Na PO, 12H.O mixed with NaCl, was dissolved in water, reacted with aqueous 1 M SrCl, and 0.520 g Sr.(PO), precipitate was collected and dried to a constant mass. If the reagent tests demonstrated that Na PO:12H.O was the limiting reactant in the precipitation reaction, calculate the mass percent of Na PO, 12H 0 in the original sample. a. How many moles of Sr,(PO), were produced? b. What is the...
Experiment 9 PRE-LABORATORY PROBLEMS 1. Calculate the molar masses of the following compounds a. strontium chloride hexahydrate, SrCl, 6H,O b. sodium phosphate dodecahydrate, Na, PO 12H,O and c. Strontium phosphate, Sr,(PO) 2. When a hydrated salt dissolves in water, what happens to the water in the salt? 3. What is the overall balanced reaction when an aqueous solution of SrCl, reacts with an aqueous solution of Na,P0,? 4. 2.000 g of Na, PO, 12H,O is reacted with 2.000 g of...
Experiment 8 Prelaboralory A Limiting Re lab Sec. Name L A 1146g mixture of the solid salts Na SO, and PtINOJ; forms an aqueous Desk Ne solution with the precipitation of PhSO. The precipitate was filtered and dried, and ins mass was determined to be 0.672 g. The limiting reactant was determined to be Na SO. a. Write the molecular form of the equation for the reaction. b. Write the net ionic equation for the reaction. many moles and grams...
estion is: A 1.276 g mixture of the solid salts Nm,SO. (142.04 g/mol) and Pb(NO3)2 (331.18 g/mol) foms an aqueous solution with the precipitation of PSOE (303.26 /mol). The precipitate was filtered and dried, and its mass was determined to be 0.717. The limiting reactant was determined to be Na SO (4 mark) A. Write the net lonic equation B. What is the percent by mass of each salt in the mixture?
10. Using your answer to 6e: 6e: What percent of the
mixture obtained in reaction 1 is the para isomer? para isomer :
37.9%
a) How many millimoles of the para product were
present in the isomeric mixture added in the first step of reaction
2? Please show your work.
b) In order to selectively acetylate the para isomer, equimolar
amounts of acetic anhydride and the para isomer must be present.
Using the millimoles you obtained as your answer to...
Is this answer correct? Also, please help me with the 2nd
question.
1. A 1.500-g sample of potassium hydrogen carbonate is decomposed by heating to produce 1.040 g of potassium carbonate. Calculate the theoretical yield and percent yield of K CO. 2 KHCO3() 4 K2CO3(s) + H2O(g) + CO2(g) 1.500, KHEO3(-)x mo Brux Imot tos 138.2.109 K2CO3 100.129 Hle, 2 mot Kaso, x mol becos 1.0351x100 -0.996 2 (100% 1.040g 1.035 g K2CO3 - 100% 2. A 1.750-g sample containing...
How do you calculate questions 1 - 8 for the data analysis
section?
A. Precipitation of CaC,O, H,O from the Salt Mixture Unknown number Trial 1 Trial 2 1. Mass of beaker (g) 59.45 59.45 5.oS Mass of beaker and salt mixture (g) 2. 3. Mass of salt mixture (g) I, oo oS 4. Mass of filter paper (g 5. Mass of filter paper and product after air-dried or oven-dried (g) 0, 35 6. Mass of dried product (g) 7....
plz help im struggling
6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolve 4.000 grams of the mixture into enough water to make 50.00 mL of solution. You find that when you titrate your unknown solution, you require 42.19 mL of 1.000 M HCl for complete neutralization. What percentage (by mass) of the unknown mixture is Na CO,? Titration reaction: Na.Co. (aq) + 2 HCl(aq) → 2 NaCl(aq) + C048)...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
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