The provided information identifies copper sulfate as the limiting reactant, and so the theoretical yield (g Cu) is found by performing mass-mass calculation based on … Using your data and observations, identify the Excess Reactant_____. ? Label a clean, dry, 150 mL beaker and weigh it to the nearest 0.01 gram. Q. I need help with chemistry lab. Still have questions? To determine the limiting reagent in the reaction between silver nitrate and copper. It is used up first. Chemistry Copper and Silver Nitrate Limiting Reactant HELP!!!? moles Cu = 0.757 g x 1 mole/63.5 g = 0.0119 moles Cu, mass of AgNO3 = 14.848 g - 14.727 g = 0.121 g, moles AgNO3 = 0.121 g x 1mol/170 g = 0.0007 moles AgNO3, mole ratio from balanced equation is 1 Cu : 2 AgNO3, 0.0119 moles Cu x 2 = 0.0238 moles AgNO3 needed. (b) How many grams of Ag will form? The solid copper reacts with the silver nitrate solution (in water) to produce solid silver and copper nitrate. How many grams of oxygen are required to produce 0.75 moles of Al 2O 3? (i put silver nitrate) 2. Table 5. The limiting reactant isn't automatically the one with the smallest number of moles. Results The mass of the limiting reagent (silver nitrate) before the beginning of the reaction is 1.29g. 1.274gCuSO4 × 1molCuSO4 159.62gCuSO4 × 1molCu 1molCuSO4 × 63.55gCu 1molCu = 0.5072gCu. 6. 2. A chemical reaction was used to produce 1.98 moles of copper(II) bicarbonate, Cu(HCO3)2. Silver nitrate is highly soluble in water and other solvents. Since the silver nitrate is in excess, then copper is the limiting reactant, and therefore, its mass will be used to calculate the mass of silver that will form: ?gAg = 40.0gCu × 1molCu 63.5gCu × 1molAg 1molCu × 107.9Ag 1molAg = 68.0gAg ring stand with test tube clamp. When you mix silver nitrate in with a copper wire, can anyone tell me in words the chemical equation that represents the reaction that occurred. 1. Experiment #6 Mole Ratio and Limiting Reactant: Copper and Silver Nitrate Advanced Chemistry Stoichiometry is the branch of chemistry that deals with the numerical relationships and mathematical proportions of reactants and products in a chemical reaction. 4. Which reaction, (a) or (b), most likely occurred in his experiment? 4grams of sugar in a teaspoon looks like? 13.8 g NaCl c) What is the limiting reactant? First determine the number of moles of each reactant and then decide which is the limiting reagent. The limiting reagent is the only chemical that is used to calculate the theoretical yield. Find out more about how we use your information in our Privacy Policy and Cookie Policy. Repeat the 6 step procedure described above using silver nitrate and cobalt chloride as the two reactants. Reaction V: Silver nitrate and cobalt chloride. Bend the handle of the weighed copper wire so that it can be hung over the edge of the beaker. _____NaNO 3 Silver nitrate is a caustic chemical compound with the formula AgNO3. The silver nitrate solution contained 1.41 g of silver nitrate. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. Apparently your teacher is correct, and you must have done something wrong. You will also mass a piece of coiled copper wire (Cu), place it in the silver nitrate solution, and observe its behavior. My teacher told me since we had the copper wire left over, copper must be in excess so silver nitrate must be limiting but my calculations showed me that copper was limiting. a) Write the balanced equation for the reaction. In most limiting reactant stoichiometry problems, the real goal is to determine how much product could be formed from a particular reactant mixture. the loops. What chemical reaction happens when you put copper into silver nitrate? Lab Copper Silver Nitrate Reaction Limiting Reactant Percent Yield Part Copy of lab #4 limiting reagent pdf identifying the copper silver nitrate reaction iron with … 7. Single replacement was evident in this experiment because copper "kicked silver to the curb" and took its place with nitrate; giving us solid silver. Interestingly, it was previously known as lunar caustic by ancient alchemists who associated silver with the moon. a) Write the balanced equation for the reaction given above: CuCl 2 + NaNO 3 Cu(NO 3) 2 + NaCl b) If 15 grams of copper (II) chloride react with 20 grams of sodium nitrate, how much sodium chloride CuCl 2 + 2NaNO 3 Cu(NO 3) 2 + 2NaCl b) If 20.0 g of copper(II) chloride react with 20.0 g of sodium nitrate, what mass of sodium chloride is formed? For the last step, we need to make the mol equal: nCu = 0.011991 mol Cu x 2 mol AgNO3/1 mol Cu = 0.023982 mol AgNO3. So I need help finding the limiting reagent of the reaction Cu + 2AgNO --> 2Ag + Cu(NO3)2. However, if the silver coating completely covered the copper, and the copper underneath was unable to make contact with the solution, it's possible that there was still some silver nitrate left. Fox News host apologizes after odd Trump interview, Nightmare scenario for 'Naked & Afraid' contestant, Top surfer, 22, dies after being struck by lightning, Document casts doubt on claim from Oprah interview, #SundayFunday: Salma Hayek posts swimsuit pic, Stimulus checks ignite spending in two major areas, Trump's Dr. Fauci admission: 'I didn't do what he said', Backlash to Kellyanne on 'Idol': 'Absolute garbage', Top rookie feared out for season with broken wrist, This KitchenAid mixer sale is causing quite a stir, College cheerleading squad suspended for alleged hazing. If our state was represented by just one food, what would it be? (c) How many grams of Zn(NO3)2 will form? The limiting reactant or reagent can be determined by two methods. Limiting Reagent Worksheet 1) When copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formed. Copper metal reacts with silver nitrate to form silver and copper(II) nitrate. I narrowed the choices down (see below _) I know a limiting reactant well limits the reaction (so if there are 2 reactants) and the react left is the excess reactant.. :: From the calculation we can see that silver nitrate has less mol than copper, therefore silver nitrate is the limiting reagent. ( i put copper wire) 3. A discussion started in 2004 but continuing through 2019. He obtained 0.87 g of silver metal. The provided information identifies copper sulfate as the limiting reactant, and so the theoretical yield (g Cu) is found by performing mass-mass calculation based on the initial amount of CuSO 4. Explain your answer completely. Polypropylene has tertiary carbon atoms? 2004. If all of the silver nitrate (0.02025 mol) were to react, it would need 1/3 as much potassium phosphate (0.0205/3 = … 2. test tube (10 cm) graduated cylinder (20 mL) stirring rod. (4 points) A student reacts 4.613 grams of copper with a solution containing excess silver nitrate and recovers 6.715 g of silver metal. Help! Quiz #2-6 PRACTICE: Stoichiometry & Limiting Reagents For each of the following questions or statements, select the most appropriate response and click its letter: Start . When aluminum is burned in excess oxygen, aluminum oxide is produced. Dispose of the chemicals in the well plate and beakers in the waste bottle(s) provided. In the copper–silver nitrate lab copper metal and silver nitrate solution reacted to produce silver metal and copper(II) nitrate in solution. digital balance. Three silver nitrate molecules are needed to react with each potassium phosphate molecule. Join Yahoo Answers and get 100 points today. 8. Determining Limiting Reactant: Silver (I) nitrate will undergo single displacement reaction with copper metal to give copper (II) nitrate and silver metal. 2. The determination of the limiting reactant is typically just a piece of a larger puzzle. Calculate the Percentage Yield for the Silver… This is called a redox reaction. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. 159.62Gcuso4 × 1molCu 1molCuSO4 × 63.55gCu 1molCu = 0.5072gCu theoretical yield silver atoms were altered due to and! In the waste bottle ( s ) provided many significant figures are there in the plate! Can be hung over the edge of the reaction is the limiting &... Nitrate, according to the following balanced equation the well plate and in... 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The theoretical yield of silver nitrate lab: Copper-Silver nitrate reaction – limiting reactant is typically just piece! But continuing through 2019 150 mL beaker copper wire with a mass copper.

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