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Data Result 1. Mass of Na2CO3 0.5307 0.5609 2. Mass of CaCl2 3. Total...
Data Mass of Beaker 1 Mass of Beaker 1 +CaCl2 Mass of Beaker 2 Mass of...
Data Mass of Beaker 1 Mass of Beaker 1 +CaCl2 Mass of Beaker 2 Mass of Beaker 2 + KIO Mass of Watch Glass + Filter Paper 113.3949 114.4089 130.7249 13 2.0769 58.340g 59. Sisg _59.3213 131.6489 131.6349 Mass of Watch Glass + Filter Paper + Ca(IO3)2(after 1" Heating) Mass of Watch Glass + Filter Paper + Ca(IOsh(after 2nd Heating) Mass of Beaker 2 + Residue (after 1" Heating) Mass of Beaker 2 + Residue (after 2nd Heating) Calculations (Show...
Data Mass of Beaker 1 13.3949 _ T\५. ५०४१ 130.7 249 13 R.0269 Mass of Beaker...
Data Mass of Beaker 1 13.3949 _ T\५. ५०४१ 130.7 249 13 R.0269 Mass of Beaker 1 + CaCl2 Mass of Beaker 2 Mass of Beaker 2 + KIO S8.3409 Mass of Watch Glass + Filter Paper S9.SIS9 Mass of Watch Glass + Filter Paper + Ca(IO3)2(after 1st Heating) 51. S219 Mass of Watch Glass + Filter Paper + Ca(IO3)2(after 2nd Heating) 131.6489 Mass of Beaker 2 +Residue (after 1st Heating) 131-6349 Mass of Beaker 2 + Residue (after 2nd...
Data Table 1. Mass of Beaker 49.93g 2. Mass of beaker + Na2CO3 50.95g 3....
Data Table 1. Mass of Beaker 49.93g 2. Mass of beaker + Na2CO3 50.95g 3. Mass of Na2CO3 added into the beaker (line 2-line 1) 1.02g 4. Mass of graduated cylinder with 3M HCl solution 12.68g 5. Mass of graduated cylinder without 3M HCl solution 4.44g 6. Mass of 3M HCL solution added into the beaker (line4-line5) 8.24g 7. Mass of beaker + reactants (HCl+ Na2CO3; line 2+line 6) 59.19g 8. Mass of beaker + products without CO2 (after...
Table 9: Mass Data Item Mass (g) Calcium Chloride (CaCl2) 59 Sodium Carbonate (Na2CO3) 2,5 2.2....
Table 9: Mass Data Item Mass (g) Calcium Chloride (CaCl2) 59 Sodium Carbonate (Na2CO3) 2,5 2.2. Filter Paper 15.4-2.7= CaCO3 (Experimental Yield) Experimental Observations: THE REACTION CREATED Buloles AND FORCED AIR INTO THE CYLINDER Post-Lab Questions Na2CO3 + CaCl2 CaCO3 Z g g g/mol g/mol mol mol Ratio (coeff) Ratio (coeff) 4. Identify the limiting reactant and find the calculated (theoretical) yield of CaCO3? What is the actual (experimental) yield of CaCO3? 3.2g 5. Find the percent yield of CaCO3:...
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...
the reaction is: CaCl2(aq) + Na2CO3(aq) ? CaCO3(s) + 2NaCl(aq) Mass Grams Mass of CaCl Mass...
the reaction is: CaCl2(aq) +
Na2CO3(aq) ? CaCO3(s) +
2NaCl(aq)
Mass Grams Mass of CaCl Mass of Na2CO Mass of Filter Paper Mass of Product, CaCO3 (Experimental Yield) Experimental Observations 2 gm 2.5 gm 2.3 gm 2.4 gm 1. What is the proper name of CaCO? When is it used in real life? 2. What happened to the excess reactant after the reaction was complete? 3. What was the limiting reagent in your experiment? Show your calculations that prove this....
3. Crystallization begins with a process called nucleation, where particles of the substance dissolved in solution...
3. Crystallization begins with a process called nucleation, where particles of the substance dissolved in solution begin to aggregate. Crystals then begin to form on these aggregates. Based on this, explain why Steps 3 and 4 in Part III may induce crystallization. Part II: Observations Upuy Describe qualitative changes to solution - Solution went from bright yellow, orange to a mare dacu Orange /ced - hydrogen peroxide is originally clear but tuck's oldcu in the solution. The addition of hydrogen...
Experiment 8 Conservation of Mass kussion: action: 170 Mole wt. g/mol Aqual the combined masses of...
Experiment 8 Conservation of Mass kussion: action: 170 Mole wt. g/mol Aqual the combined masses of all the reactants that were initially present. Furthermore, we fter any chemical reaction, the total mass of new products and any left over reactants) will a predict the mass of each product that will be formed if we know the molecular weight or the formula (from which we can predict the molecular weight). As an example, consider the dissolve the two substances in water,...
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...
Calculate the mass of Fe2+ in the tablet by taking the dilutions and volumes of solutions...
Calculate the mass of Fe2+ in the tablet by taking the
dilutions and volumes of solutions used into account. The
concentration of the unknown is 2.325x10^-5M.
V. PROCEDURE Zou will be working with a partner for this experiment Part A. Initial preparation of the unknown (vitamin tablet) 1. Weigh the vitamin tablet on the Analytical Balance Then grind it to a powder with a mortar and pestle. mL beaker using 25 mL of 6 M HCI. Cover with a wa...
Data Mass of Beaker 1 Mass of Beaker 1 +CaCl2 Mass of Beaker 2 Mass of Beaker 2 + KIO Mass of Watch Glass + Filter Paper 113.3949 114.4089 130.7249 13 2.0769 58.340g 59. Sisg _59.3213 131.6489 131.6349 Mass of Watch Glass + Filter Paper + Ca(IO3)2(after 1" Heating) Mass of Watch Glass + Filter Paper + Ca(IOsh(after 2nd Heating) Mass of Beaker 2 + Residue (after 1" Heating) Mass of Beaker 2 + Residue (after 2nd Heating) Calculations (Show...
Data Mass of Beaker 1 13.3949 _ T\५. ५०४१ 130.7 249 13 R.0269 Mass of Beaker 1 + CaCl2 Mass of Beaker 2 Mass of Beaker 2 + KIO S8.3409 Mass of Watch Glass + Filter Paper S9.SIS9 Mass of Watch Glass + Filter Paper + Ca(IO3)2(after 1st Heating) 51. S219 Mass of Watch Glass + Filter Paper + Ca(IO3)2(after 2nd Heating) 131.6489 Mass of Beaker 2 +Residue (after 1st Heating) 131-6349 Mass of Beaker 2 + Residue (after 2nd...
Table 9: Mass Data Item Mass (g) Calcium Chloride (CaCl2) 59 Sodium Carbonate (Na2CO3) 2,5 2.2. Filter Paper 15.4-2.7= CaCO3 (Experimental Yield) Experimental Observations: THE REACTION CREATED Buloles AND FORCED AIR INTO THE CYLINDER Post-Lab Questions Na2CO3 + CaCl2 CaCO3 Z g g g/mol g/mol mol mol Ratio (coeff) Ratio (coeff) 4. Identify the limiting reactant and find the calculated (theoretical) yield of CaCO3? What is the actual (experimental) yield of CaCO3? 3.2g 5. Find the percent yield of CaCO3:...
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...
the reaction is: CaCl2(aq) +
Na2CO3(aq) ? CaCO3(s) +
2NaCl(aq)
Mass Grams Mass of CaCl Mass of Na2CO Mass of Filter Paper Mass of Product, CaCO3 (Experimental Yield) Experimental Observations 2 gm 2.5 gm 2.3 gm 2.4 gm 1. What is the proper name of CaCO? When is it used in real life? 2. What happened to the excess reactant after the reaction was complete? 3. What was the limiting reagent in your experiment? Show your calculations that prove this....
3. Crystallization begins with a process called nucleation, where particles of the substance dissolved in solution begin to aggregate. Crystals then begin to form on these aggregates. Based on this, explain why Steps 3 and 4 in Part III may induce crystallization. Part II: Observations Upuy Describe qualitative changes to solution - Solution went from bright yellow, orange to a mare dacu Orange /ced - hydrogen peroxide is originally clear but tuck's oldcu in the solution. The addition of hydrogen...
Experiment 8 Conservation of Mass kussion: action: 170 Mole wt. g/mol Aqual the combined masses of all the reactants that were initially present. Furthermore, we fter any chemical reaction, the total mass of new products and any left over reactants) will a predict the mass of each product that will be formed if we know the molecular weight or the formula (from which we can predict the molecular weight). As an example, consider the dissolve the two substances in water,...
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...
Calculate the mass of Fe2+ in the tablet by taking the
dilutions and volumes of solutions used into account. The
concentration of the unknown is 2.325x10^-5M.
V. PROCEDURE Zou will be working with a partner for this experiment Part A. Initial preparation of the unknown (vitamin tablet) 1. Weigh the vitamin tablet on the Analytical Balance Then grind it to a powder with a mortar and pestle. mL beaker using 25 mL of 6 M HCI. Cover with a wa...
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