Homework Answers
Add Answer to:
6. A student collects the following data when decomposing a sample of baking soda, NaHCO3. Find...
Experiment 9- Decomposition of Baking Soda A. mass of H2CO3 gas released, (H2CO3 decomposed into H2O...
Experiment 9- Decomposition of Baking Soda
A. mass of H2CO3 gas released, (H2CO3 decomposed into H2O +
CO2)?
B. mass of NaHCO3 in unknown mixture?
C. mass of NaHCO3 in unknown mixture?
D. mass of KCL in unknown mixture?
CURCU ILI U ULICOS MOLLE (Part 2) Percent of NaHCO3 in an Unknown Mixture 1) Weigh out approximately 1 g of the unknown sample into your cruci 2) Repeat the steps of the previous procedure. ne steps of the previous procedure....
EXPERIMENT 14 NAME DATE SECTION DATA TABLE g A. Percent Yield of Na2CO3 from Baking Soda...
EXPERIMENT 14 NAME DATE SECTION DATA TABLE g A. Percent Yield of Na2CO3 from Baking Soda mass of test tube + NaHCO3 32,443 32,126 (before heating) mass of test tube 31.300 g 301861 mass of NaHCO3 mass of test tube + Na2CO3 (after heating) mass of Na2CO3 (actual yield) (after heating - test tube) Show the calculation for theoretical yield of Na2CO3 for trial 1 (see Example Exercise 14.1). 22.017 31.66 RECU Chen Wa g g g mass of Na2CO3...
DATA TABLE Trial# nal#2 A. Percent Yield of Na2C03 from Baking Soda 21.40 2!. 38 g...
DATA TABLE Trial# nal#2 A. Percent Yield of Na2C03 from Baking Soda 21.40 2!. 38 g mass of test tube + NaHCO3 g (before heating) mass of test tube 19.55 9.55 gg mass of NaHCO3 1.85 1-83 ge 20.55 20. 04 mass of test tube + Na2CO3 (after heating) 1.09 mass of Na2CO3 (actual yield) g Show the calculation for theoretical yield of Na2CO3 for trial. 1 (see Example Exercise 1) mass of Na2CO3 (theoretical yield) g Show the calculation...
Table Salt from Baking Soda Name: Date: Partner: DATA: Mass of beaker 95.85. Mass of beaker...
Table Salt from Baking Soda Name: Date: Partner: DATA: Mass of beaker 95.85. Mass of beaker and sample (NaHCO3) 17.45. Mass of sample (NaHCO3) Mass of beaker and residue (NaCl) 1" Heating... :26 99, Mass of beaker and residue (NaCl) 2 Heating.. 26.85, Mass of beaker and residue (NaCl) 3* Heating... 26.959 Mass of beaker and residue (NaCl) best g Mass of residue (NaCl) 9 Volume of conc. HCI added ml CALCULATIONS: g/mol Molar mass of NaHCO3 Number of moles...
Sodium hydrogen carbonate, NaHCO3, can be decomposed completely by heating. 2 NaHCO3(s)- Na2CO;(s)+ CO2(g)+H20g A sample...
Sodium hydrogen carbonate, NaHCO3, can be decomposed completely by heating. 2 NaHCO3(s)- Na2CO;(s)+ CO2(g)+H20g A sample of impure NaHCO; with an initial mass of 0.890 g yielded a solid residue mass of 0.684 g. Determine the mass percent of NaHCOj in the sample. (consisting of Na CO3 and other solids) with a final
B. Percentage of NaHCO3 in an unknown Mixture UNKNOWN # 8 33,20g 31.48 134 34027 31,5388...
B. Percentage of NaHCO3 in an unknown Mixture UNKNOWN # 8 33,20g 31.48 134 34027 31,5388 32.69) 33283 8 mass of test tube + unknown mixture (before heating) mass of test tube mass of unknown mixture mass of test tube + residue (after heating) mass of H2CO3 (H2O + CO2) (before heating - after heating) Show the calculation for the mass of NaHCO3 in the unknown mixture for trial 1 (see Example Exercise 14.2). g 8 용 g mass of...
B. Percentage of NaHCO3 in an Unknown Mixture UNKNOWN # 134 mass of test tube +...
B. Percentage of NaHCO3 in an Unknown Mixture UNKNOWN # 134 mass of test tube + unknown mixture (before heating) 33,20 34,027 31.48 mass of test tube 31,538 mass of unknown mixture 32,6912 33.283 mass of test tube + residue (after heating) RECYCLE Chemical Waste mass of H2CO3 (H2O + CO2) 8 (before heating - after heating) Show the calculation for the mass of NaHCO3 in the unknown mixture for trial 1 (see Example Exercise 14.2). mass of NaHCO3 g...
SECTION T O POSTLABORATORY ASSIGNMENT 1. A 1.500-g sample of potassium hydrogen carbonate is decomposed by...
SECTION T O POSTLABORATORY ASSIGNMENT 1. A 1.500-g sample of potassium hydrogen carbonate is decomposed by me vield of K CO. 1.040 g of potassium carbonate. Calculate the theoretical yield and percent yield of 2 bonate is decomposed by heating to produce 2 KHCO3(s) 4 K CO3(s) + H2O(g) + CO2(B) 2. A 1.750-g sample containing potassium hydrogen carbonate is decomposed by heating. If the mass loss is 0.271 g, what is the percentage of KHCO3 in the unknown mixture?...
Question 3 When vinegar (CH3COOH) and baking soda (NaHCO3) are combined, the mixture spontaneously undergoes an...
Question 3 When vinegar (CH3COOH) and baking soda (NaHCO3) are combined, the mixture spontaneously undergoes an endothermic reaction while releasing CO2 gas. The test tube would feel [Select] and delta G would be Select)
2. Why is it important to evenly spread the baking soda before heating? efge is imporiont...
2. Why is it important to evenly spread the baking soda before heating? efge is imporiont to evenly spread ne lpolens eating is becase What are some safety precautions one must be aware of while performing this experiment? 3. . What is the formula for calculating percent yield? Define each term. 14, Mass ori ICO, produced (#11.13] 15. mol of H2CO, (convert #14 into moles) [#14/62.03 g/mol] ". - i mol 16. mol of NaHCOs present in the unknown misture...
Experiment 9- Decomposition of Baking Soda
A. mass of H2CO3 gas released, (H2CO3 decomposed into H2O +
CO2)?
B. mass of NaHCO3 in unknown mixture?
C. mass of NaHCO3 in unknown mixture?
D. mass of KCL in unknown mixture?
CURCU ILI U ULICOS MOLLE (Part 2) Percent of NaHCO3 in an Unknown Mixture 1) Weigh out approximately 1 g of the unknown sample into your cruci 2) Repeat the steps of the previous procedure. ne steps of the previous procedure....
EXPERIMENT 14 NAME DATE SECTION DATA TABLE g A. Percent Yield of Na2CO3 from Baking Soda mass of test tube + NaHCO3 32,443 32,126 (before heating) mass of test tube 31.300 g 301861 mass of NaHCO3 mass of test tube + Na2CO3 (after heating) mass of Na2CO3 (actual yield) (after heating - test tube) Show the calculation for theoretical yield of Na2CO3 for trial 1 (see Example Exercise 14.1). 22.017 31.66 RECU Chen Wa g g g mass of Na2CO3...
DATA TABLE Trial# nal#2 A. Percent Yield of Na2C03 from Baking Soda 21.40 2!. 38 g mass of test tube + NaHCO3 g (before heating) mass of test tube 19.55 9.55 gg mass of NaHCO3 1.85 1-83 ge 20.55 20. 04 mass of test tube + Na2CO3 (after heating) 1.09 mass of Na2CO3 (actual yield) g Show the calculation for theoretical yield of Na2CO3 for trial. 1 (see Example Exercise 1) mass of Na2CO3 (theoretical yield) g Show the calculation...
Table Salt from Baking Soda Name: Date: Partner: DATA: Mass of beaker 95.85. Mass of beaker and sample (NaHCO3) 17.45. Mass of sample (NaHCO3) Mass of beaker and residue (NaCl) 1" Heating... :26 99, Mass of beaker and residue (NaCl) 2 Heating.. 26.85, Mass of beaker and residue (NaCl) 3* Heating... 26.959 Mass of beaker and residue (NaCl) best g Mass of residue (NaCl) 9 Volume of conc. HCI added ml CALCULATIONS: g/mol Molar mass of NaHCO3 Number of moles...
Sodium hydrogen carbonate, NaHCO3, can be decomposed completely by heating. 2 NaHCO3(s)- Na2CO;(s)+ CO2(g)+H20g A sample of impure NaHCO; with an initial mass of 0.890 g yielded a solid residue mass of 0.684 g. Determine the mass percent of NaHCOj in the sample. (consisting of Na CO3 and other solids) with a final
B. Percentage of NaHCO3 in an unknown Mixture UNKNOWN # 8 33,20g 31.48 134 34027 31,5388 32.69) 33283 8 mass of test tube + unknown mixture (before heating) mass of test tube mass of unknown mixture mass of test tube + residue (after heating) mass of H2CO3 (H2O + CO2) (before heating - after heating) Show the calculation for the mass of NaHCO3 in the unknown mixture for trial 1 (see Example Exercise 14.2). g 8 용 g mass of...
B. Percentage of NaHCO3 in an Unknown Mixture UNKNOWN # 134 mass of test tube + unknown mixture (before heating) 33,20 34,027 31.48 mass of test tube 31,538 mass of unknown mixture 32,6912 33.283 mass of test tube + residue (after heating) RECYCLE Chemical Waste mass of H2CO3 (H2O + CO2) 8 (before heating - after heating) Show the calculation for the mass of NaHCO3 in the unknown mixture for trial 1 (see Example Exercise 14.2). mass of NaHCO3 g...
SECTION T O POSTLABORATORY ASSIGNMENT 1. A 1.500-g sample of potassium hydrogen carbonate is decomposed by me vield of K CO. 1.040 g of potassium carbonate. Calculate the theoretical yield and percent yield of 2 bonate is decomposed by heating to produce 2 KHCO3(s) 4 K CO3(s) + H2O(g) + CO2(B) 2. A 1.750-g sample containing potassium hydrogen carbonate is decomposed by heating. If the mass loss is 0.271 g, what is the percentage of KHCO3 in the unknown mixture?...
Question 3 When vinegar (CH3COOH) and baking soda (NaHCO3) are combined, the mixture spontaneously undergoes an endothermic reaction while releasing CO2 gas. The test tube would feel [Select] and delta G would be Select)
2. Why is it important to evenly spread the baking soda before heating? efge is imporiont to evenly spread ne lpolens eating is becase What are some safety precautions one must be aware of while performing this experiment? 3. . What is the formula for calculating percent yield? Define each term. 14, Mass ori ICO, produced (#11.13] 15. mol of H2CO, (convert #14 into moles) [#14/62.03 g/mol] ". - i mol 16. mol of NaHCOs present in the unknown misture...
Most questions answered within 3 hours.
-
In Drosophila, the fused mutation (fu) causes fused wing veins,
the tan mutation (t) causes a...
asked 5 minutes ago -
How does the 2015 mandated 25% cut on water supply to local
agencies, imposed by the...
asked 6 minutes ago -
Identify two symbiotic relationships between microorganisms and
other systems
Describe the symbiotic activities how they either...
asked 9 minutes ago -
Find the minimum diameter of an l = 15.1 m long copper wire that
will stretch...
asked 15 minutes ago -
Last year, sanitation engineer crews in Buffalo, New York,
collected 124 tons of trash per day....
asked 54 minutes ago -
A wire is drawn through a die, stretching it to six times its
original length. By...
asked 24 minutes ago -
with SCREENSHOTS PLEASE
Linux+ Guide to Linux Certification Project 9-4 In this hands-on
project, you view...
asked 25 minutes ago -
You are calculating the present value of $5,000 that you will
receive at the end of...
asked 26 minutes ago -
Convert 31 ft^2 to yd^2
Round your answer to two decimal places.
asked 59 minutes ago -
Assume that a randomly selected subject is given a bone density
test. Those test scores are...
asked 42 minutes ago -
.The life of light bulbs is distributed normally. The standard
deviation of the lifetime is 20...
asked 1 hour ago -
Pretend that you are a developmental psychologist and the
superintendent for a school district in MA...
asked 42 minutes ago