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2:15.84 NU 4= 1.oo b) 375 ml of a 6 M HCl solution Naolt=39-88 375. M...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
Sol. to make 0.120 (M) HCl stock soln = 0.103 M Part A #1 | HCl...
Sol. to make 0.120 (M) HCl stock soln = 0.103 M Part A #1 | HCl (mL) NaOH (mL) initial 0.00 0.15 final 26.12 27.60 Endpoint was a clear, very faint pink solution. Part A #2 | HCl (mL) NaOH (mL) initial 0.48 0.40 final 25.55 27.16 DATA ANALYSIS Standardizing the NaOH Solution (Part A) a. Determine how many liters (L) of stock HCl were used in titration #1. D. Determine the number of moles of HCl in this volume...
2. Calculate the molarity (M) of 30.0 g of NaOH in 350 mL of NaOH solution....
2. Calculate the molarity (M) of 30.0 g of NaOH in 350 mL of NaOH solution. Show all the step by step work: 3. Calculate the amount of solute, in moles, grams or milliliters, needed to prepare the following solutions. Show all the step by step solution: a. 1.00 L of a 3.00 M NaCl solution (moles of solute) b. 2.00 L of a 1.50 M NaOH solution (grams of solute) c. Milliliters of 1.50 M NaCl solution to obtain...
heading Harding 2 A Student added 49.6 mL of 0.73 M solution of HCl to a...
heading Harding 2 A Student added 49.6 mL of 0.73 M solution of HCl to a beaker. The student then added 50 mL of DI water to the beaker. The HCl was titrated with 1248 ml of 0.73 M N O solution without reaching the equivalence point. Answer questions 21 - 25 with this information 21. How many moles of HCl are in the initial solution? (3 pts) 22. What is the molarity of the initial HCl solution after adding...
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...
A. How many milliliters of 0.110 M HCl are needed to completely neutralize 55.0 mL of 0.107 M Ba(OH)2 solution?...
A. How many milliliters of 0.110 M HCl are needed to completely neutralize 55.0 mL of 0.107 M Ba(OH)2 solution? Express the volume in milliliters to three significant digits. B. How many milliliters of 0.125 M H2SO4 are needed to neutralize 0.170 g of NaOH? Express the volume in milliliters to three significant digits. C. If 55.0 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 746 mg sample of Na2SO4, what is the molarity of the solution? Express the molarity...
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415...
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415 M NaCl. The equation for the precipitate reaction is: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) How many moles of PbCl2 are formed? (with correct sig figs) QUESTION 2 What volume (in mL!!!) of 1.28 M HCl is required to react with 3.33 g of zinc (65.41 g/mol) according to the following reaction? Zn(s) + 2 HCl (aq)...
1. What volume of 17.4 M HCl should be used to prepare 500 mL of a...
1. What volume of 17.4 M HCl should be used to prepare 500 mL of a 6.00 M solution of HCl? A. 1450 mL B. 209 mL C. 0.209 mL D. 172 mL E. 2.9 mL 2. A student removes 25 mL of 3.0 M NaOH and dilutes it to a final volume of 350 mL. What is the concentration of the resulting solution.? A. 42 M B. 0.024 M C. 75 M D. 0.10 M E. 0.21 M 3. How many moles of Na2SO4are required to make a solution...
4. To what volume should you dilute 25 mL of a 10.0 M HCl solution to...
4. To what volume should you dilute 25 mL of a 10.0 M HCl solution to obtain a 0.250 M solution? Show your work Final Answer 5. Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCi in drinking water is 9.0 g/L. How much pure water should be added to 2.50 L of seawater for it to be safe for human consumption? Show your work Final Answer
2. A 49.21 mL volume of 1.00 M HCl was mixed with 48.05 mL of 2.00...
2. A 49.21 mL volume of 1.00 M HCl was mixed with 48.05 mL of 2.00 M NaOH in a coffee cup calorimeter (with calorimeter constant = 25.6 J/°C) at 20.32 °C. The final temperature of the aqueous solution after the reaction was 29.83 °C. Assuming that them heat capacity of the solution is 4.18 J/g/°C, calculate the following: a. The total mass of aqueous solution inside the calorimeter (dsoln = 1.00 g/mL) g correct 1/1 b. The change in...
1. Calculate the molarity of the following solutions: a. 318 g Mg Br, in 859 ml solution b. 8.28 g Ca(C,H,O,), in 414 ml solution c. 31,1 g Al,(80.), in 766 ml solution d. 59.8 g CaCl, in 100 ml solution e. 313.5 g LICIO, in 250 ml solution | 849 Calculate the moles of solute needed to prepare each of the following: 2. LOL of a 3.0 M NaCl solution b. 0.40 L of a 1.0 M KBr solution...
Sol. to make 0.120 (M) HCl stock soln = 0.103 M Part A #1 | HCl (mL) NaOH (mL) initial 0.00 0.15 final 26.12 27.60 Endpoint was a clear, very faint pink solution. Part A #2 | HCl (mL) NaOH (mL) initial 0.48 0.40 final 25.55 27.16 DATA ANALYSIS Standardizing the NaOH Solution (Part A) a. Determine how many liters (L) of stock HCl were used in titration #1. D. Determine the number of moles of HCl in this volume...
2. Calculate the molarity (M) of 30.0 g of NaOH in 350 mL of NaOH solution. Show all the step by step work: 3. Calculate the amount of solute, in moles, grams or milliliters, needed to prepare the following solutions. Show all the step by step solution: a. 1.00 L of a 3.00 M NaCl solution (moles of solute) b. 2.00 L of a 1.50 M NaOH solution (grams of solute) c. Milliliters of 1.50 M NaCl solution to obtain...
heading Harding 2 A Student added 49.6 mL of 0.73 M solution of HCl to a beaker. The student then added 50 mL of DI water to the beaker. The HCl was titrated with 1248 ml of 0.73 M N O solution without reaching the equivalence point. Answer questions 21 - 25 with this information 21. How many moles of HCl are in the initial solution? (3 pts) 22. What is the molarity of the initial HCl solution after adding...
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...
4. To what volume should you dilute 25 mL of a 10.0 M HCl solution to obtain a 0.250 M solution? Show your work Final Answer 5. Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCi in drinking water is 9.0 g/L. How much pure water should be added to 2.50 L of seawater for it to be safe for human consumption? Show your work Final Answer
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