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Which of the following is present in a solution of barium nitrate? Check all that apply....
Please give a specific answer. Thanks :) The equation below shows the reaction of barium nitrate...
Please give a specific answer. Thanks :)
The equation below shows the reaction of barium nitrate (Ba(NO3)2) with sodium sulfate (Na2SO4). Assume that 0.45 mol of Ba(NO3)2 reacted with excess Na, S04 to produce 0.41 mol of BaSO4. Ba(NO3)2 + Na2SO4 -> BaSO4 + 2 NaNO3 What is the approximate percent yield for this reaction? OA. 41% B. 45% 0 ou 0 86% 0 D. 91%
3.A classic high school lab experiment involves combining a solution of barium nitrate, Ba(NO3)2, with a...
3.A classic high school lab experiment involves combining a solution of barium nitrate, Ba(NO3)2, with a sodium sulfate solution, Na2SO4, forming a precipitate of barium sulfate. Ba(NO3)2(aq) + Na2SO4(aq) ---> BaSO4(s) + 2NaNO3(aq) a. Identify the hazards associated with the chemicals in this reaction. b. The purpose of this lab is to teach the techniques and principles of quantitative gravimetric analysis. use your knowledge of solubility products to devise a greener set of solutions that would meet the purpose of...
1. Calculate the millimoles of nitrate ion present in 737 mL of an aqueous solution containing...
1. Calculate the millimoles of nitrate ion present in 737 mL of an aqueous solution containing 6.38 ppm of Pb (NO3) 2. 2. Calculate the molar concentration, and the function p of the ions in a solution that is 0.0052 M in CaCl2 and 0.0036 M in BaCl2. 3. Calculate the pH of the solution obtained by mixing 2000 mL of 0.0200 M HCl with 1000 mL of 0.0400M HNO3 4. A sample of 0.3396 g of pure 96.4% Na2SO4...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion,...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown centained only sulfate ion. Which test would most quickly 3. Consider each set of results below which were carried out on a solution containing either (1)one of the six anions studied in this experiment, or (2) none...
Discussion 6 A colorless solution of barium nitrate is added to a pale green solution of...
Discussion 6 A colorless solution of barium nitrate is added to a pale green solution of iron(l) sulfate in a beaker. A reaction occurs. 1. Describe the observation that would be expected for this reaction. 2. What is the chemical name and chemical formula of the observation that is observed? 3. State what type of reaction is occurring, 4. What are the spectator ions for this reaction? Read the Netiquette guidelines before posting. Your post should include: Answer all questions...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion,...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...
please answer all questions! I. Briefly explain what is meant by each of the following terms...
please answer all
questions!
I. Briefly explain what is meant by each of the following terms as it relates to this experiment. (a) Precipitation reaction (b) Spectator ion (c) The designation (ag) following the formula of a compound (d) Decomposition reaction (e) Coefficients II. (a) Write the complete ionic equation for the double displacement reaction that occurs when aqueous solutions of barium nitrate Ba(NO3)2 and sodium chromate Na2Cr04 are mixed. (b) Name the spectator ions in this chemical reaction. (c)...
MOLARITY REVIEW 1.) How many nitrate ions are present in a 25.00mL sample of a 2.50M...
MOLARITY REVIEW 1.) How many nitrate ions are present in a 25.00mL sample of a 2.50M calcium nitrate solution? 2.) How many mL of a 0.300M lead(II) nitrate solution are needed to react with 50.00mL of a 0.500M potassium chromate solution? (solution stoichiometry problem) 3.) How many mL of a 0.700M Ca(NO3)2 solution are necessary to react with 25.00mL of a 1.000M H2SO4 solution? 4.) 25.66mL of a solution hydroxide solution reacts with 22.55mL of a 0.888M phosphoric acid solution,...
2. The reaction of tin metal with a solution of silver nitrate AgNO3(aq), releases Sn2 (aq)...
2. The reaction of tin metal with a solution of silver nitrate AgNO3(aq), releases Sn2 (aq) ions into the solution. (a) Write the formula equation for this reaction. (b) Write the net ionic equation for this reaction. (c) Tin ions are toxic. Suggest a soluble compound that could be added to precipitate all the tin ions from C the solution. Figure 6 The br high concentrati (d) Write a net ionic equation for the reaction that occurs in (c).
1. Find all the pairs of ions in the following list which cannot exist together (in...
1. Find all the pairs of ions in the following list which cannot exist together (in appreciable concentration) in the same aqueous solution without precipitating. That is, write any combination of the following ions which would form a precipitate, a weak acid, a weak base, or water. [Note: PbCl2 is slightly soluble.] Fe3+ ht OH Na* ci" Pb2+ NO3 Mg2+ Answer: 2. Convert the following (a) complete or "molecular" equation to (b) the total ionic, and then to (c) the...
Please give a specific answer. Thanks :)
The equation below shows the reaction of barium nitrate (Ba(NO3)2) with sodium sulfate (Na2SO4). Assume that 0.45 mol of Ba(NO3)2 reacted with excess Na, S04 to produce 0.41 mol of BaSO4. Ba(NO3)2 + Na2SO4 -> BaSO4 + 2 NaNO3 What is the approximate percent yield for this reaction? OA. 41% B. 45% 0 ou 0 86% 0 D. 91%
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown centained only sulfate ion. Which test would most quickly 3. Consider each set of results below which were carried out on a solution containing either (1)one of the six anions studied in this experiment, or (2) none...
Discussion 6 A colorless solution of barium nitrate is added to a pale green solution of iron(l) sulfate in a beaker. A reaction occurs. 1. Describe the observation that would be expected for this reaction. 2. What is the chemical name and chemical formula of the observation that is observed? 3. State what type of reaction is occurring, 4. What are the spectator ions for this reaction? Read the Netiquette guidelines before posting. Your post should include: Answer all questions...
Post-Lab Questions: 1. If you had a solution which contained only chloride, bromide, or iodide ion, which of the three tests would most clearly tell you which anion was in the solution? Explain. 2.) Suppose that you were quite sure that your unknown contained only sulfate ion. Which test would most quickly (that is, in the fewest steps) confirm your hypothesis? Explain. Consider each set of results below which were carried out on a solution containing either (1)one of the...
please answer all
questions!
I. Briefly explain what is meant by each of the following terms as it relates to this experiment. (a) Precipitation reaction (b) Spectator ion (c) The designation (ag) following the formula of a compound (d) Decomposition reaction (e) Coefficients II. (a) Write the complete ionic equation for the double displacement reaction that occurs when aqueous solutions of barium nitrate Ba(NO3)2 and sodium chromate Na2Cr04 are mixed. (b) Name the spectator ions in this chemical reaction. (c)...
2. The reaction of tin metal with a solution of silver nitrate AgNO3(aq), releases Sn2 (aq) ions into the solution. (a) Write the formula equation for this reaction. (b) Write the net ionic equation for this reaction. (c) Tin ions are toxic. Suggest a soluble compound that could be added to precipitate all the tin ions from C the solution. Figure 6 The br high concentrati (d) Write a net ionic equation for the reaction that occurs in (c).
1. Find all the pairs of ions in the following list which cannot exist together (in appreciable concentration) in the same aqueous solution without precipitating. That is, write any combination of the following ions which would form a precipitate, a weak acid, a weak base, or water. [Note: PbCl2 is slightly soluble.] Fe3+ ht OH Na* ci" Pb2+ NO3 Mg2+ Answer: 2. Convert the following (a) complete or "molecular" equation to (b) the total ionic, and then to (c) the...
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