A.) How much volume of water is needed to make a 0.17 M solution of Na2SO3...
A.) How much volume of water is needed to make a 0.17 M solution of Na2SO3 from exactly 592.1 mg of Na2SO3? Report you answer in mL. Make sure to include units.
B.) Calculate the resulting concentration when 121.38 mL of water is added to a 0.876 L solution of 1.945 M NaCl. Report your answer in Molar units
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A.) How much volume of water is needed to make a 0.17 M solution
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PLEASE ANSWER ALL 10. What volume of 14N H2SO4 is needed to make 500 mL of...
PLEASE ANSWER ALL
10. What volume of 14N H2SO4 is needed to make 500 mL of 3.2M H2SO4 solution? 11. A solution contains 40 g of solute dissolved in 0.5 L of water. What is the percentage of this solution? 12. How many mL of 4M H2SO4 are required to make 1.5L of 0.5M acid? 13. 100mL of 8% NaCl solution contains g of NaCl 14. A liter of 0.95% solution of NaCl contains g of NaCl 15. 2500mL of...
What volume of 4.05 M NaCl is needed to make 500 mL of 0.300 M NaCl...
What volume of 4.05 M NaCl is needed to make 500 mL of 0.300 M NaCl solution? _____ mL (Report your answer with correct sig figs in units of mL)
A 2.300×10−2 M solution of NaCl in water is at 20.0∘C. The sample was created by...
A 2.300×10−2 M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.4 mL . The density of water at 20.0∘C is 0.9982 g/mL. Express your answer(s) to four significant figures and include the appropriate units. Part A) Calculate the molality of the salt solution. Part B)...
A) A buffer solution contains 0.336 M KHSO3 and 0.447 M Na2SO3. If 0.0144 moles of...
A) A buffer solution contains 0.336 M KHSO3 and 0.447 M Na2SO3. If 0.0144 moles of hydroiodic acid are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding hydroiodic acid) pH = B) If 0.0335 moles of perchloric acid are added to 250 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not...
Calculate the required volume needed to make a 1.65 M solution consisting of 33.8 moles. Calculate...
Calculate the required volume needed to make a 1.65 M solution consisting of 33.8 moles. Calculate the required volume needed to make a 3.14 M solution consisting of 2.53 g of H2SO4 Calculate the number of moles of barium sulfide required to make 200 mL of a 0.53 M solution. Calculate the mass of sodium chloride in a 0.0854 M solution, given 625 mL. 511 mL of a 9.22 M solution was diluted to 18.5 L. What is the new...
Please answer all, thank you! Part A What volume of a 0.32 M Mg(NO3)2 solution contains...
Please answer all, thank you! Part A What volume of a 0.32 M Mg(NO3)2 solution contains 92 g of Mg(NO3)2? Express your answer using two significant figures and L. Part B A 4.5 −L sample of a 5.7 M NaCl solution is diluted to 60 L . What is the molarity of the diluted solution? Express your answer using two significant figures. Part C How much of a 14.0 M HNO3 solution should you use to make 840.0 mL of...
How much NACL (gram) will be needed to make 1L of 2% NaCl solution? NaCl= 58.5g/mol;...
How much NACL (gram) will be needed to make 1L of 2% NaCl solution? NaCl= 58.5g/mol; M =molarity=mol/L ; percent concentration (gram)/ 100mlx 100%
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
17. What volume of 0.345 M NaCl solution is needed to obtain 10.0 g of NaCl?...
17. What volume of 0.345 M NaCl solution is needed to obtain 10.0 g of NaCl? 18 How many milliliters of a 0.0015 M cocaine hydrochloride (C17H22ClNO4) solution is needed to obtain 0.010 g of the solute? 19.. A solution having an initial concentration of 0.445 M and the initial volume of 45.0 mL is diluted to 100.0 mL. What is its final concentration? 20. A 50.0 mL sample of salt water that is 3.0% m/v is diluted to 950...
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
PLEASE ANSWER ALL
10. What volume of 14N H2SO4 is needed to make 500 mL of 3.2M H2SO4 solution? 11. A solution contains 40 g of solute dissolved in 0.5 L of water. What is the percentage of this solution? 12. How many mL of 4M H2SO4 are required to make 1.5L of 0.5M acid? 13. 100mL of 8% NaCl solution contains g of NaCl 14. A liter of 0.95% solution of NaCl contains g of NaCl 15. 2500mL of...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
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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