37 hcl molar concentration
[DOC File]Chemistry Worksheets
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Name Molar Mass 1) Na2CO3 _____ ... When hydrogen chloride reacts with ammonia, ammonium chloride is formed. Write the equation for this process, and indicate which of the reagents is the Lewis acid and which is the Lewis base. ... If it takes 5 mL of 1.4 M NaOH to neutralize 150 mL of HCl with an unknown. concentration, what was the original ...
[DOC File]Page 1
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Calculate the pH of a solution prepared by dissolving 0.37 mol of formic acid (HCO2H) and 0.23 mol of sodium formate (NaCO2H) in 1.00 L of solution. Ka = 1.8 x 10-4 for formic acid. a. 2.09
[DOC File]MOLARITY / CONCENTRATION
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If 10.00mL of 6.00M HCl are diluted to 250.0mL, the final concentration will be 0.240M. (6.00M)(1.000x10-2L) = (xM)(0.2500L) xM = 0.240M. New solutions can also be prepared by mixing several solutions. If the solutions are thoroughly mixed, the total numbers of moles are dispersed throughout the total volume. The final molarity is given by the ...
[DOC File]Worked Solutions - EDCO
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(b) a solution of hydrochloric acid containing 3.65 g HCl in 500 cm3 of solution. Answer: The hydrochloric acid solution contains 3.65 g of hydrochloric acid in 500 cm3 = 3.65 × 1000 g l-1 . 500 = 7.3 g l-1. The molar mass of HCl is 36.5 g mol-1. Therefore [HCl] = 7.3 / 36.5 mol l-1 = 0.2 mol l-1. Since HCl is a strong acid, [H3O+] = [HCl] = 0 ...
[DOC File]CHAPTER 15 - ACIDS AND BASES
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Strong acids, such as HClO4, HCl, HNO3, and H2SO4 completely ionize at 1 M concentration. For these acids the equilibrium lies far to the right. Acids such as HC2H3O2, HNO2, H2SO3, H3PO4, HClO, and many others are weak acids because they are only …
[DOC File]EQUILIBRIUM
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2002 #37 HCO3-(aq) + OH-(aq) ( H2O(l) + CO32-(aq) ΔH = -41.4 kJ. ... Calculate the molar concentration of NO3-(aq) in the mixture after the reaction is complete. ... Explain why the pH of buffer 1 is the same as the pH of buffer 2 before 0.10 mol of HCl is added. 2000 # 5. The molar mass of an unknown solid, which is nonvolatile and a ...
CHEM 1411 Exam #2
equation for this reaction. What is the molar concentration of H2SO4? 2. A 53.0 g metal alloy ingot at 93.0 °C is added to 290 g of water at 22.0 °C in an insulated calorimeter. The final . temperature of the mixture is 31.1 °C. What is the specific heat capacity of the metal alloy? (specific heat of water = …
[DOC File]Chapters 4-6 review problems
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a. 0.881 g b. 2.37 g c. 3.12 g d. 11.3 g e. 30.4 g ____ 10. If 0.10 mole of each of the following compounds is dissolved to a volume of 1.0 L in water, which one will have the highest concentration …
[DOC File]Use the following answers for questions 1 - 3
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Solns C 26. How many milliliters of 11.6-molar HCl must be diluted to obtain 1.0 liter of 3.0-molar HCl? (A) 3.9 mL (B) 35 mL (C) 260 mL (D) 1,000 mL (E) 3,900 mL 1989 04 06 TEST. Solns. A 43. Which of the following does NOT behave as an electrolyte when it is dissolved in water? (A) CH3OH (B) K2CO3 (C) NH4Br (D) HI (E) Sodium acetate, CH3COONa ...
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