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6. An aliquot (30.7 mL) of a LioH solution neutralization required 31.3 mL...
An aliquot (28.7 mL) of a KOH solution required 31.3 mL of 0.118 M HCl for...
An aliquot (28.7 mL) of a KOH solution required 31.3 mL of 0.118 M HCl for neutralization. What mass (g) of KOH was in the original sample? Question 4 options: A) 0.173 B) 7.28 C) 1.64 D) 0.207 E) 0.414
please answer all questions and show work? Home assignment: Chapter 4: Aqueous Reactions and Solution Stoichiometry...
please answer all questions and show work?
Home assignment: Chapter 4: Aqueous Reactions and Solution Stoichiometry 17) An aliquot (28.7 ml.) of a KOH solution required 31.3 mL of 0.118 M HCl for neutralization. What mass (g) of KOH was in the original sample? A) 1.64 B) 7.28 C) 0.173 D) 0.207 E) 0.414 18) Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization? A) 10,0 mL of 0.0500 M phosphoric acid...
How many moles of CH,OH are there in 73.0 mL of 0.400 M CH,OH? Attempts remaining: 7 How many moles of HCl are ther...
How many moles of CH,OH are there in 73.0 mL of 0.400 M CH,OH? Attempts remaining: 7 How many moles of HCl are there in 75.0 mL of 0.280 M HCI? Attempts remaining: 7 What is the concentration of a solution made with 0.425 moles of KOH in 400.0 mL of solution? Attempts remaining: 7 What is the concentration of sodium ions in 0.380 M NO.CO,? Attempts remaining: 7 What is the concentration of sodium ions in 0.300 M Na,SO.?...
1) A 110 mL solution of 0.340 M HCl(aq) is mixed with a solution of 330...
1) A 110 mL solution of 0.340 M HCl(aq) is mixed with a solution of 330 mL of 0.150 M HNO3(aq). The solution is then diluted to a final volume of 1.00 L. How many moles of H+ are present in the final solution? 2) When 38.0 mL of 0.1250 M H2SO4 is added to 100 mL of a solution of Pblu, a precipitate of PbSO4 forms. The PbSO4 is then filtered from the solution, dried, and weighed. If the...
Experiment 6: The Standardization of a Basic Solution and the Determination of the MM of an Acid
Experiment 6: The Standardization of a Basic Solution and the Determination of the MM of an Acid *Note: This experiment is relatively long unless you know precisely what to do. Read the experiment before coming to class and arrive on time. After reading through the experiment answer the following question: 1. 7.0 mL of 6.0 M NaOH are diluted with water to a volume of 400 mL. You are asked to find the molarity of the resulting solution. a. First find out how many...
O solution. If lemon juice sample was neutralized by itration with NaOH son NaOH for neutralization,...
O solution. If lemon juice sample was neutralized by itration with NaOH son NaOH for neutralization, what was the 4) A citric acid, HIC6H5O7 in a lemon juice sample was neutral 10.00 mL of lemon juice required 7. ml. 0.221 M N O for cura molarity of the citric acid in the lemon juice? The balanced reaction is 3 NaOH + A,C,H,0,-3 H0 + NaCl,0, 5) Laboratory HCl bench reagents are generally 6,0 M. How would you prepare 7,50 x...
9. What is the hydroxide-ion concentration in a solution formed by combining 200 mL of 0.16 M HCl with 300. mL of 0...
9. What is the hydroxide-ion concentration in a solution formed by combining 200 mL of 0.16 M HCl with 300. mL of 0.091 M NaOH at 25°C? HCl(aq) + NaOH(aq) + NaCl(aq) + H2O(1) 10. What is the pH of a solution prepared by dissolving 0.241 L of HCl(g), measured at STP, in enough water such that the total volume of the solution is 2.00 L? (R = 0.0821 L.atm/(K.mol)) (Use gas law equation to calculate Mole of HCl dissolved...
a) How many moles of Al2(SO4)3 are required to make 44 mL of a 0.090 M Al2(SO4)3 solution? (Hint, molarity is moles per...
a) How many moles of Al2(SO4)3 are required to make 44 mL of a 0.090 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 44 mL of...
3.355 M K2SO4 solution can be prepared by A) dilution of 500.0 mL of 1.00 MK2SO4...
3.355 M K2SO4 solution can be prepared by A) dilution of 500.0 mL of 1.00 MK2SO4 to 1.00 L B) dissolving 46.7 g of K2SO4 in water and diluting to 500.0 ml, then diluting 25.0 ml of this solution to a total volume of 500.0 mL C) dissolving 46.7 g of K2SO4 in water and diluting to a total volume of 250.0 mL D) dilution of 1.00 mL of 0.355 M K2SO4 to 1.00 L E) diluting 46.7 mL of...
a) How many moles of Al2(SO4)3 are required to make 55 mL of a 0.050 M...
a) How many moles of Al2(SO4)3 are required to make 55 mL of a 0.050 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 55 mL of...
please answer all questions and show work?
Home assignment: Chapter 4: Aqueous Reactions and Solution Stoichiometry 17) An aliquot (28.7 ml.) of a KOH solution required 31.3 mL of 0.118 M HCl for neutralization. What mass (g) of KOH was in the original sample? A) 1.64 B) 7.28 C) 0.173 D) 0.207 E) 0.414 18) Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization? A) 10,0 mL of 0.0500 M phosphoric acid...
How many moles of CH,OH are there in 73.0 mL of 0.400 M CH,OH? Attempts remaining: 7 How many moles of HCl are there in 75.0 mL of 0.280 M HCI? Attempts remaining: 7 What is the concentration of a solution made with 0.425 moles of KOH in 400.0 mL of solution? Attempts remaining: 7 What is the concentration of sodium ions in 0.380 M NO.CO,? Attempts remaining: 7 What is the concentration of sodium ions in 0.300 M Na,SO.?...
1) A 110 mL solution of 0.340 M HCl(aq) is mixed with a solution of 330 mL of 0.150 M HNO3(aq). The solution is then diluted to a final volume of 1.00 L. How many moles of H+ are present in the final solution? 2) When 38.0 mL of 0.1250 M H2SO4 is added to 100 mL of a solution of Pblu, a precipitate of PbSO4 forms. The PbSO4 is then filtered from the solution, dried, and weighed. If the...
O solution. If lemon juice sample was neutralized by itration with NaOH son NaOH for neutralization, what was the 4) A citric acid, HIC6H5O7 in a lemon juice sample was neutral 10.00 mL of lemon juice required 7. ml. 0.221 M N O for cura molarity of the citric acid in the lemon juice? The balanced reaction is 3 NaOH + A,C,H,0,-3 H0 + NaCl,0, 5) Laboratory HCl bench reagents are generally 6,0 M. How would you prepare 7,50 x...
9. What is the hydroxide-ion concentration in a solution formed by combining 200 mL of 0.16 M HCl with 300. mL of 0.091 M NaOH at 25°C? HCl(aq) + NaOH(aq) + NaCl(aq) + H2O(1) 10. What is the pH of a solution prepared by dissolving 0.241 L of HCl(g), measured at STP, in enough water such that the total volume of the solution is 2.00 L? (R = 0.0821 L.atm/(K.mol)) (Use gas law equation to calculate Mole of HCl dissolved...
a) How many moles of Al2(SO4)3 are required to make 44 mL of a 0.090 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 44 mL of...
3.355 M K2SO4 solution can be prepared by A) dilution of 500.0 mL of 1.00 MK2SO4 to 1.00 L B) dissolving 46.7 g of K2SO4 in water and diluting to 500.0 ml, then diluting 25.0 ml of this solution to a total volume of 500.0 mL C) dissolving 46.7 g of K2SO4 in water and diluting to a total volume of 250.0 mL D) dilution of 1.00 mL of 0.355 M K2SO4 to 1.00 L E) diluting 46.7 mL of...
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