•How many N atoms would be present in 0.378 moles of N2O? •2. If you have...
•How many N atoms would be present in 0.378 moles of N2O?
•2. If you have 4.55 x 1016 NO2 molecules, how many moles would you have?
•3. How many grams would you need in order to have 0.885 moles of CuCO3?
•4. If you have a 15.0 g sample of PF5, how many PF5 molecules would be in your sample?
•5. If you have 3.14 x 1019 FeCl2 molecules, how many milligrams would you have?
•6. What is the molarity of a 120 mL solution containing 0.289 moles of FeCl3?
•7. How many moles of NaCl are present in a 600.0 mL of 1.55 M NaCl solution?
•8. How many liters of solution are needed to make a 1.66 M solution containing 2.11 moles of KMnO4?
•9. What is the molarity of a 650.0 mL solution containing 63.0 g of KCl?
•10. How many grams of Ca(OH)2 are needed to produce 500.0 mL of a 1.66 M Ca(OH)2 solution?
Homework Answers
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•How many N atoms would be present in 0.378 moles of
N2O?
•2. If you have...
Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if...
Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if you have 7 moles of the molecule? Consider the following generic balanced reaction equation: 5A + 3B 22C If 3.3 moles of A react completely, how many moles of C will be produced? How many grams are the in 40 moles of a compound with a molar mass of 58.2 grams per mole (g/mol)? How many moles are in 176.4 grams of a compound...
1. How many atoms are represented by: a. 0.96 moles Ca b. 0.39 moles Ga c....
1. How many atoms are represented by: a. 0.96 moles Ca b. 0.39 moles Ga c. 0.94 moles Ag d. 0.39 moles Mg 2. How may molecules are represented by a. 0.39 moles CH3COOH b. 0.71 moles N2 C. 0.72 moles C&H 206 d. 0.57 moles 02 3. How may grams are represented by: a. 6.11 moles C6H1206 b. 1.89 moles 02 c. 6,61 moles NaHCO3 d. 1.14 moles Na 4. How may moles are represented by: a. 26.32 grams...
3. What is the molarity when we have 0.75 moles of solute in 2.5 liters of...
3. What is the molarity when we have 0.75 moles of solute in 2.5 liters of solution? 4. We have 58.44 grams of NaCl in 2 liters of solution. What would be the molarity of the solution? 5. How many grams is 1 mole of CaCl? 6. If I need to make up IL of a 0.5M soln of CaCl, how many grams would I need? 7, Describe how you would make a 5% glucose solution. Glucose-C6H12O6 8. Calculate the...
How many moles of NaOH are present in 14.5 mL of 0.220 M NaOH? moles: How...
How many moles of NaOH are present in 14.5 mL of 0.220 M NaOH? moles: How many grams of solute are present in 355 mL of 0.670 M KBr? mass of solute: A 37.0 mL aliquot of a 0.600 M stock solution must be diluted to 0.100 M. Assuming the volumes are additive, how much water should be added? volume of water: How many grams of chlorine gas are needed to make 5.30 x 10g of a solution that is...
How many moles of Na2HPO4 are present in 469.6 g of Na2HPO4? Question 6 How many...
How many moles of Na2HPO4 are present in 469.6 g of Na2HPO4? Question 6 How many moles of caffeine, C8H10N402, are present in 191.11 g of caffeine? Question 7 How many grams of FeCl3 can be prepared from 5.01 grams of Fe and excess Cl2 when the following reaction is balanced? _Fe (s) + _ Cl2@ FeCl3 (1) (unbalanced) Question 8 Calculate the molarity of a solution prepared by mixing 38.5 g of CH3CH2OH with enough water to give 500...
1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2...
1. Balance the following reaction and then complete the following questions: CaC2 + H2O → Ca(OH)2 + C2H2 a. How many moles of C2H2 will be created if 4.05 g of CaC2 are allowed to react (with excess water)? b. How many molecules of water were used in part A (i.e. how many water molecules reacted with the 4.05 g of CaC2)? c. What mass of CaC2 would you need if you wanted to produce 500.3 g of C2H2? 2....
please answer all please Test No 73 M NasPO42 N 2.(8) a. How many moles of...
please answer all please
Test No 73 M NasPO42 N 2.(8) a. How many moles of Na b. What is the molarity of Na'? NAME: POs are the 0250 L solution of 0.873 M 3. (7) What is the molarity of a NaOH solution th solution? (NaOH Molar Mass: 40.00 g/mol). In that contains 4.27 g of NaOH in 125.0 mL of 4. (8) Na2SO4 + a) Balance the above reaction. b) If 63.8 mol of Na2SO4 is used, how...
HW9, How many moles of acetic acid are present in 5 ml of a 1 M...
HW9, How many moles of acetic acid are present in 5 ml of a 1 M Acetic Acid Solution? Show your work: * O moles of Solo Molarity. Volume (4) 5mL -0.005L IM Xosh - 1x0 .005 0.005 moles of acetic acid n bio- 1967), a/objec- esearch ify both (HW10) How many grams of sodium acetate would be required to equal the number of moles calculated within the previous question? Functie vool of * 2005
Fall 10.PUI How many moles of base were required to react completely with the acid in...
Fall 10.PUI How many moles of base were required to react completely with the acid in this reaction? mol Ca(OH)2 Part 2 (0.7 point) See Hint How many moles of HCl were present in the original 25.00 mL of acid? mol HCI Part 3 (0.7 point) What is the molarity of the original HCl solution? Choose one: O 0.0716 M O 0.179 M O 0.286 M O 1.79x10-4 M O 0.424 M Ca(OH)2(aq) + 2HCl(aq) — CaCl, (aq) +H20(1) An...
32. You have 5.62 moles of HNO3. Answer the following questions based on this: (20 points)...
32. You have 5.62 moles of HNO3. Answer the following questions based on this: (20 points) a. How many grams of HNO3 would be present with 5.62 moles of HNO3 b. What would be the molarity of HNO3 if dissolved in 560 mL of water? c. After dissolving in part b, if you diluted the solution to 1200 mL what would the molarity be? d. Would HNO3 act as a strong base, strong acid, weak base, or weak acid?
Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if you have 7 moles of the molecule? Consider the following generic balanced reaction equation: 5A + 3B 22C If 3.3 moles of A react completely, how many moles of C will be produced? How many grams are the in 40 moles of a compound with a molar mass of 58.2 grams per mole (g/mol)? How many moles are in 176.4 grams of a compound...
1. How many atoms are represented by: a. 0.96 moles Ca b. 0.39 moles Ga c. 0.94 moles Ag d. 0.39 moles Mg 2. How may molecules are represented by a. 0.39 moles CH3COOH b. 0.71 moles N2 C. 0.72 moles C&H 206 d. 0.57 moles 02 3. How may grams are represented by: a. 6.11 moles C6H1206 b. 1.89 moles 02 c. 6,61 moles NaHCO3 d. 1.14 moles Na 4. How may moles are represented by: a. 26.32 grams...
3. What is the molarity when we have 0.75 moles of solute in 2.5 liters of solution? 4. We have 58.44 grams of NaCl in 2 liters of solution. What would be the molarity of the solution? 5. How many grams is 1 mole of CaCl? 6. If I need to make up IL of a 0.5M soln of CaCl, how many grams would I need? 7, Describe how you would make a 5% glucose solution. Glucose-C6H12O6 8. Calculate the...
How many moles of NaOH are present in 14.5 mL of 0.220 M NaOH? moles: How many grams of solute are present in 355 mL of 0.670 M KBr? mass of solute: A 37.0 mL aliquot of a 0.600 M stock solution must be diluted to 0.100 M. Assuming the volumes are additive, how much water should be added? volume of water: How many grams of chlorine gas are needed to make 5.30 x 10g of a solution that is...
How many moles of Na2HPO4 are present in 469.6 g of Na2HPO4? Question 6 How many moles of caffeine, C8H10N402, are present in 191.11 g of caffeine? Question 7 How many grams of FeCl3 can be prepared from 5.01 grams of Fe and excess Cl2 when the following reaction is balanced? _Fe (s) + _ Cl2@ FeCl3 (1) (unbalanced) Question 8 Calculate the molarity of a solution prepared by mixing 38.5 g of CH3CH2OH with enough water to give 500...
please answer all please
Test No 73 M NasPO42 N 2.(8) a. How many moles of Na b. What is the molarity of Na'? NAME: POs are the 0250 L solution of 0.873 M 3. (7) What is the molarity of a NaOH solution th solution? (NaOH Molar Mass: 40.00 g/mol). In that contains 4.27 g of NaOH in 125.0 mL of 4. (8) Na2SO4 + a) Balance the above reaction. b) If 63.8 mol of Na2SO4 is used, how...
HW9, How many moles of acetic acid are present in 5 ml of a 1 M Acetic Acid Solution? Show your work: * O moles of Solo Molarity. Volume (4) 5mL -0.005L IM Xosh - 1x0 .005 0.005 moles of acetic acid n bio- 1967), a/objec- esearch ify both (HW10) How many grams of sodium acetate would be required to equal the number of moles calculated within the previous question? Functie vool of * 2005
Fall 10.PUI How many moles of base were required to react completely with the acid in this reaction? mol Ca(OH)2 Part 2 (0.7 point) See Hint How many moles of HCl were present in the original 25.00 mL of acid? mol HCI Part 3 (0.7 point) What is the molarity of the original HCl solution? Choose one: O 0.0716 M O 0.179 M O 0.286 M O 1.79x10-4 M O 0.424 M Ca(OH)2(aq) + 2HCl(aq) — CaCl, (aq) +H20(1) An...
32. You have 5.62 moles of HNO3. Answer the following questions based on this: (20 points) a. How many grams of HNO3 would be present with 5.62 moles of HNO3 b. What would be the molarity of HNO3 if dissolved in 560 mL of water? c. After dissolving in part b, if you diluted the solution to 1200 mL what would the molarity be? d. Would HNO3 act as a strong base, strong acid, weak base, or weak acid?
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