
the mass 0.43 Analysis Part I: 1. The reaction in Part 1 takes place as shown...
Given an initial 0.128 g Cu (II) and 3mL of
HNO3
Part I: 1. The reaction in Part 1 takes place as shown below. Balance the reaction and de- termine the mass (theoretical yield) of copper(II) nitrate that should be able to be recovered from your copper sample. Show your calculations. 4 HNO,(aq) + | Cu(s) → 1 Cu(NO),(aq) + 2 H,0(0) + Z NO.(Q)
use 1.7g of Zn
1. The reaction in Part V takes place as shown below. Using what you know about reactions, determine the missing product, then balance the reaction and determine the theoretical yield of copper (in grams). Show your calculations. | Cuso,(aq) +_ | Zn() → _Cu(s) + 12.50 2. What should your theoretical yield of copper metal be for your last step? Explain your reasoning. Calculate your percent yield for the entire copper cycle. Show work
Use scratch paper if necessary, and copy your completed calculations to this sheet. Shown below are the 4 reactions involved in the Cu cycle listed in random order Cus(PO4)2 (s)+HCI (aq)CuCl2 (aq) + HsPOs (aq) CuCl2 (aq)+ Mg (s) MgCl2 (aq)+ Cu (s) Cu (s)+4 HNO, (aq) Cu(NOs)2 (aq) +2 NO2 (8) + 2 H2O () Cu(NO) (aq)+ Na POs (aq)Cus(PO)2 (s) + NaNO, (aq) Place them in the proper order such that the first reaction starts with elemental copper...
Data Mass of copper (II) chloride, CuCl2: 3,174g Mass of aluminum: 1.669g Mass of aluminum remaining after reaction: 0.530g Mass of aluminum that reacted: 1.139g Mass of filter paper and watchglass: 29.138g Mass of filter paper, watchglass, and copper: 32.829g Mass of copper recovered: 3.691 Questions (Show Work) Mole of CuCl2 dissolved Mole of copper (II) ions (Cu2+) initially in solution Mole of copper, Cu(s), expected to be formed Theoretical yield of copper in grams Percent yield of copper metal
When copper metal is added to nitric acid, the following reaction takes place Cu (s) + 4 HNO₃ (aq) → Cu(NO₃)₂ (aq) + 2 H₂O (l) + 2 NO₂ (g) Calculate the volume of NO₂ gas collected over water at 25.0 °C when 8.13 g of copper is added to excess nitric acid if the total pressure is 726 mm Hg. The vapor pressure of water at 25.0 °C is 23.8 mm Hg.
15. What are you removing by washing? 16. What color is your copper sample? 18. Suggest possible sources of error in this experiment. EXPERIMENT REPORT SHEET Chemical Reactions of Copper 7 and Percent Yield 1. Initial mass of copper 2. Mass of copper and evaporating dish 3. Mass of evaporating dish 4. Mass of recovered copper 5. Percent yield (show calculations) 0.52. 47.62 47.19 0.43 82.69% 6. Describe the reaction Cu(s) + HNO3(aq) → 7. Describe the reaction Cu(NO3)2(aq) +...
Date La Than Mews TA Classifying Reactions in the Copper Cycle Report Sheet 1. Initial mass of copper 2. Mass of copper and evaporating dish 3. Mass of evaporating dish 4. Mass of uncovered copper 5 Percent yield (show calculations) 6. Describe the reaction Cu(s) + HNO (aq) + 7. Describe the reaction Cu(NO).(aq) + NaOH(aq)- - B. Describe the reaction Cu(OH),() - SUUDIO 9. What are you removing by this washing? 10. What copper compound is present in the...
1. Consider the reaction: MnO2 (s) + 4 HCl (g)MnCl2 (s) + Cl2 (g) + 2 H20 (g) If 10.00 g of MnO2 and 10.00 g of HCl are reacted, how many grams of MnCl2 can be produced? Show all calculations 2. Consider the following unbalanced equation: NH4NOs(aq) + Na PO4(aq)(NH4)3PO4(aq NaNOs(aq) Assuming you start with 50.0 g of NHNOs and 50.0 g of NasPO4, which is the limiting reagent? What is the theoretical yield (g) of ammonium phosphate? a....
theoretical yield of copper II oxide
Part A Synthesis of copper (1) Bride from copper Appearance of copper wire. Observations after water is added to beaker Observations after NuoH is added to beaker Observations after heating 0.649 bendable, rose gold, thin brown fume, turning green, bubbling turned dear blue cloudy darker bive DICK sand like settled 10 botton 0.989 L 1,899 1.619 0.01 mote C 2o Mass filter paper Mass filter paper plus copper 110 oxide Mass copper (1) oxide...
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....