![21) What is the [OH-] in a solution that has a [H3O+] = 1x 10-6 M? 22) What is the pH of a solution with [H30+1= I x 10-9 M?!](http://img.homeworklib.com/questions/118918a0-73c8-11ea-b8b4-833ea8427535.png?x-oss-process=image/resize,w_560)
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![and kw=1410-14 Que: 21 [H20+] = 1X10CM We know that i kw = [Hot] [or] Rearrange the equation; [or] = kw [H3O+] 31.1X10+14. )](http://img.homeworklib.com/questions/13079640-73c8-11ea-9f16-e1d00e82a680.png?x-oss-process=image/resize,w_560)
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1) One mole of copper(II) sulfate, CuSO4, contains O atoms. 2) What is the molar mass...
CuSO4• 5H20 -------> Custy + D u 2) What is the color for anhydrous salt of copper (II) sulfate (CuSO4)? What is...
CuSO4• 5H20 -------> Custy + D u 2) What is the color for anhydrous salt of copper (II) sulfate (CuSO4)? What is the color for ionic hydrate compound of copper (II) sulfate pentahydrate (CuSO4.5H2O)? 3) How would you test a colorless crystalline compound to determine whether it is a hydrate or not? 4) How many grams of CuSO4.5H20 are needed to prepare 50.0 mL of a 1.00 M CuSO4 solution? 5) Suppose you used the Procedure in this experiment to...
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB....
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB. 159.629 O C. 111.55 g D. 319.17 g O E. 16.00 9 An unknown compound is composed of the elements Nitrogen and Oxygen. The compound is analyzed and determined to be 30.45% and 69.55% 0. The molecular mass of the compound is found to be 02.01 g/mol. Determine the compound's molecuar formula and provide your answer below as Nxoy where x and y are...
How many moles of copper II ion, Cu2+, are present in 200 mL of a .250...
How many moles of copper II ion, Cu2+, are present in 200 mL of a .250 M solution of CuSO4?
5. What is the molar mass of copper (I) sulfate (Cu2SO4)? Chem &121 6. What is...
5. What is the molar mass of copper (I) sulfate (Cu2SO4)? Chem &121 6. What is the mass percent of copper in copper (I) sulfate (Cu2SO4)? 7. How many compounds (molecules) are in 4.00 mole of copper (I) sulfate (Cu2SO4)? 8. How many moles of oxygen are in 1.5 moles of copper (I) sulfate (Cu2SO4)?
A tube containing 8.00 mL of 0.250 M copper (II) sulfate contains 2.00 x 10^-3 mole...
A tube containing 8.00 mL of 0.250 M copper (II) sulfate contains 2.00 x 10^-3 mole of copper (II) sulfate. how many grams of solid copper (II) sulfate would this be equivalent to? using dimensional analysis
1. (DCH Page 23) Cupric sulfate is commonly sold as the pentahydrate, CuSO4-H2O, which has 5...
1. (DCH Page 23) Cupric sulfate is commonly sold as the pentahydrate, CuSO4-H2O, which has 5 moles of H20 for each mole of CuSO4 in the solid. The formula mass is 249.69 g/mol. How many grams of CuS04 H2O should be dissolved in a 250 mL volumetric flask to make a solution containing 8.00 mM Cu2* (a) 1.28 g (b) 0.499 g (c) 2.00 g (d) 0.319 g (e) 3.72 g
These questions will help you with your own data collection 1. What is the molar mass...
These questions will help you with your own data collection 1. What is the molar mass of cupric sulfate pentahydrate? (CuSO4.5H20) 2. How many grams of CuSO4.5H2O is needed to make a 0.1 M solution in 40 mL of water? 3. If you wanted to make 10 mL of a 0.06 M CuSO4 solution, what ml amount of 0.1 M CuSO4 solution and deionized water would you need? (Remember: M,V=MV)
Strong-Strong Titrations Experiment 1: 45.0 mL of 0.125 M HBr is being titrated with 0.375 M...
Strong-Strong Titrations Experiment 1: 45.0 mL of 0.125 M HBr is being titrated with 0.375 M NaOH. C. Point C: 15.0 mL of the titrant has been added. 1. How many moles of HBr are in your initial sample? 2. How many moles of H3O+are in the initial sample? 3. How many moles of NaOH have been added? 4. How many moles of OH-have been added? 5. How many moles of H2O have been formed from neutralization? (HINT:Is...
Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider...
Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider treating a solution of copper(II) sulfate with sodium sulfide solution: CuSO4(aq) + Na2S(aq) → CuS(s) + Na2SO4(aq) What volume of 0.104 M Na2S solution would be required to precipitate all of the copper(II) ion from 13.4 mL of 0.120 M CuSO4 solution? Volume = mL Submit Answer Try Another Version 7 item attempts remaining Generally, only the carbonates of the Group 1 elements and...
Please help for questions 5-7 0.335 Liters 0.00450 moles CuSO4 | Liter 2. What type of...
Please help for questions 5-7
0.335 Liters 0.00450 moles CuSO4 | Liter 2. What type of glassware would you use to prepare the solution in problem 1? 3. How many moles are there for 13.45 g of Kl? K= 39.10 I = 126.90 = 166 13.459 of KI Imole KI 0.081 moles of KI Telegrams 4. If one dissolved 13.45 g of Kl in solution with a final volume of exactly 125 ml, what is the concentration of that solution?...
CuSO4• 5H20 -------> Custy + D u 2) What is the color for anhydrous salt of copper (II) sulfate (CuSO4)? What is the color for ionic hydrate compound of copper (II) sulfate pentahydrate (CuSO4.5H2O)? 3) How would you test a colorless crystalline compound to determine whether it is a hydrate or not? 4) How many grams of CuSO4.5H20 are needed to prepare 50.0 mL of a 1.00 M CuSO4 solution? 5) Suppose you used the Procedure in this experiment to...
What is the molar mass of copper (II) sulfate, CuSO4? Select one: O A. 63.55.9 OB. 159.629 O C. 111.55 g D. 319.17 g O E. 16.00 9 An unknown compound is composed of the elements Nitrogen and Oxygen. The compound is analyzed and determined to be 30.45% and 69.55% 0. The molecular mass of the compound is found to be 02.01 g/mol. Determine the compound's molecuar formula and provide your answer below as Nxoy where x and y are...
5. What is the molar mass of copper (I) sulfate (Cu2SO4)? Chem &121 6. What is the mass percent of copper in copper (I) sulfate (Cu2SO4)? 7. How many compounds (molecules) are in 4.00 mole of copper (I) sulfate (Cu2SO4)? 8. How many moles of oxygen are in 1.5 moles of copper (I) sulfate (Cu2SO4)?
1. (DCH Page 23) Cupric sulfate is commonly sold as the pentahydrate, CuSO4-H2O, which has 5 moles of H20 for each mole of CuSO4 in the solid. The formula mass is 249.69 g/mol. How many grams of CuS04 H2O should be dissolved in a 250 mL volumetric flask to make a solution containing 8.00 mM Cu2* (a) 1.28 g (b) 0.499 g (c) 2.00 g (d) 0.319 g (e) 3.72 g
These questions will help you with your own data collection 1. What is the molar mass of cupric sulfate pentahydrate? (CuSO4.5H20) 2. How many grams of CuSO4.5H2O is needed to make a 0.1 M solution in 40 mL of water? 3. If you wanted to make 10 mL of a 0.06 M CuSO4 solution, what ml amount of 0.1 M CuSO4 solution and deionized water would you need? (Remember: M,V=MV)
Many metal ions are precipitated from a solution by the sulfide ion. As an example, consider treating a solution of copper(II) sulfate with sodium sulfide solution: CuSO4(aq) + Na2S(aq) → CuS(s) + Na2SO4(aq) What volume of 0.104 M Na2S solution would be required to precipitate all of the copper(II) ion from 13.4 mL of 0.120 M CuSO4 solution? Volume = mL Submit Answer Try Another Version 7 item attempts remaining Generally, only the carbonates of the Group 1 elements and...
Please help for questions 5-7
0.335 Liters 0.00450 moles CuSO4 | Liter 2. What type of glassware would you use to prepare the solution in problem 1? 3. How many moles are there for 13.45 g of Kl? K= 39.10 I = 126.90 = 166 13.459 of KI Imole KI 0.081 moles of KI Telegrams 4. If one dissolved 13.45 g of Kl in solution with a final volume of exactly 125 ml, what is the concentration of that solution?...
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