Question

CaCl2 + K2CO3 ---> CaCO3 + 2KCl mass CaCl2 2.0g K2CO3 2.5g Filter paper 2.0g Watch glass 31.9g precipitate 1.8g 1. calculate the theoretical concentration of...

CaCl2 + K2CO3 ---> CaCO3 + 2KCl

mass

CaCl2

2.0g

K2CO3

2.5g

Filter paper

2.0g

Watch glass

31.9g

precipitate

1.8g

1. calculate the theoretical concentration of calcium chloride?

2. Create a bar graph comparing the theoretical to actual percent concentrations of calcium chloride in the solution. Then calculate percent error?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Chart 1 1 Actual vield 2 theoretical yield 1.8 Chart Title theoretica yield 10 12 13 Actual yield 15 16 1.5 0.5 18 19归! 133 upent and u be theo Aewl 1.8 Sane valu anned with CS anner

Add a comment
Know the answer?
Add Answer to:
CaCl2 + K2CO3 ---> CaCO3 + 2KCl mass CaCl2 2.0g K2CO3 2.5g Filter paper 2.0g Watch glass 31.9g precipitate 1.8g 1. calculate the theoretical concentration of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • CaCl2: 2.0g K2Co3: 2.5g Filter paper: 2.2g Watch Glass: 33.2g Precipitate: 1.8g 24 Hour CaCl2: 3.5g...

    CaCl2: 2.0g K2Co3: 2.5g Filter paper: 2.2g Watch Glass: 33.2g Precipitate: 1.8g 24 Hour CaCl2: 3.5g Calculations needed Theoretical yield (CaCO3): Actual yield (CaCO3): Percent yield: Moles of Ca present in original solution, based on actual yield: Mass of CaCl2 present in original solution, based on actual yield: Analyze the data and determine the actual concentration of calcium chloride in the solution. Show all calculations and report in % wt/v concentration. Determine the mass of water which became associated with...

  • Table 9: Mass Data Item Calcium Chloride (CaCl2) Sodium Carbonate (Na,CO3) Filter Paper Caco,(Experimental Yield) Weight...

    Table 9: Mass Data Item Calcium Chloride (CaCl2) Sodium Carbonate (Na,CO3) Filter Paper Caco,(Experimental Yield) Weight of filter paper and CaCO3=3.9 Mass (6) 2.0 2.5 2.2 3.9-2.2=1.7 Experimental Observations: Insert Photo of precipitate: POST-LAB QUESTIONS (Show your work!) 1. Would there be any effect on an experiment if tap water containing calcium ions is used instead of deionized water to dissolve reactants? Explain your answer. 2. Balance the following chemical reaction. __Na2CO3 + _CaCl2 (aa) — CaCO3(s+_ Nac.(a) 3. What...

  • I just need help understanding the steps to get the theoretical yeild and percent yield of...

    I just need help understanding the steps to get the theoretical yeild and percent yield of CaCO3. using the given information. H.Y. & S. D. Precipitating Calcium Carbonate CHMI21 General Chemistry Lab 1 • Treatment of Data: 14) mole amount of Na CO, 15) mole amount of CaCl 16) limiting reagent .00832 00976 NonCO₃ .00735 .832 .au 112.98 mole amount of CaCO, 17) 18) 19) 20) Theoretical Yield (g) of Cacos Actual Yield (g) of Caco, Percent Yield (%) Calculations...

  • Please help!! with question (18 ,19, 20 ) the data is coming directly from professor and...

    Please help!! with question (18 ,19, 20 ) the data is coming directly from professor and i think she made a mistake because after I work out problem I get theoritcal yeild of 0.850 grams CaCO3 but the experiment actual yield is 8.322 grams (work out question 12 ) Carbonate LI General Chemistry Lab I H.Y. & S.D. ame ata Sheet Section Date • Precipitating Cacos 1) Volume of Na2CO3, mL 8.22mL or 0.00824 2) Molarity of Na2CO3 solution, mol/L...

  • DATA ANALYSIS Part 1 - Precipitation, Filtration, and Drying of Calcium Carbonate 1. Write a balanced chemical equ...

    DATA ANALYSIS Part 1 - Precipitation, Filtration, and Drying of Calcium Carbonate 1. Write a balanced chemical equation for the reaction between calcium chloride and potassium carbonate. K2CO3 (aq) + CaCl2 (aq) > CaCO3 (s) + 2 KCl (aq). 2. Using stoichiometry, calculate the limiting reactant and the theoretical yield (the mass of Caco, product) for the reaction. 3. What is the actual yield of Cacox(s) formed from your experiment? Show your work. 4. Determine the percent yield of the...

  • #5 Write the solubility product expression for PbCl2. Using the concentration for the Pb+2 and Cl-...

    #5 Write the solubility product expression for PbCl2. Using the concentration for the Pb+2 and Cl- ions, solve for your experimental Ksp. #6 Using your book, find the theoretical Ksp for PbCl2 to determine your percent error A Solubility Product Constant Introduction: Many substances are very soluble in water. However, in this experiment you will be concerned with substances that are insoluble or only slightly soluble. Dynamic equilibrium is established when an excess of a slightly soluble substance is placed...

  • yes, which the data for the experiment is given in the pictures Problem #1 Use this...

    yes, which the data for the experiment is given in the pictures Problem #1 Use this data to calculate Ksp of Ca(OH)2. The Ca(OH) used was 15.0 ml, titrated with 0.05M HCI DATA TABLE: TITRATION OF THE SUPERNATANT LIQUID Trial 1 Trial 2 Data Volume of CaOH, solution, mL (supernatant liquid) Initial buret reading, mL Final buret reading, mL Volume of HCl required for titration, mL Equivalence point (mL) Average Kop Problem #2 R PPPPPP LABORATORY REPORT YOU MUST SHOW...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT