Question 1: Part A. Neutralization reactions
1 mL of 0.01 M NaOH and 1 mL of 0.01 M HCl are mixed. What is the pH of the solution. Explain your observations.
1 mL of 0.01 M NaOH and 1 mL of 0.01 M CH3COOH are mixed. What is the pH of the solution. Explain your observations.
Question 1: Part B. Reactions of acids with metals
Three strips of Mg, Zn and Cu are mixed separately with 6 M HCI.
What kind of observations are expected, explain.
If instead of HCl you use 6 M H3PO4, and 6 M CH3COOH, what observations are expected. Explain.
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Question 1: Part A. Neutralization reactions 1 mL of 0.01 M NaOH and 1 mL of...
1. What volume of 0.10 M NaOH is needed to neutralize 100 mL of 0.050 M HCl? 2a. When 100 mL of 0.01 M NaOH solution is mixed with 100 mL of 0.01 M of HNO3 solution, what is the concentration of H+ and the pH in the resulting mixture? 2b. When 100 mL of 0.01 M NaOH solution is mixed with 100 mL of 0.02 M of HCl solution, what is the concentration of H+ and the pH in...
100 mL of a 0.2 M solution of NaOH is mixed with 150 mL of a 0.3 M HCl solution. A neutralization reaction occurs: NaOH + HCl —> NaCl + H2O. What is the molarity of the molecules in the mixed solution after the reaction has reached completion?
3. In the titration of 10.000.04 ml of 0.104+0.002 M HCI, 23.02.10.04 ml of NaOH is required for neutralization. Calculate the Molarity of NaOH and indicate the uncertainty of the value. The pH of the solution is defined as; pH = -log[H] Where, [H*) is the molar concentration of H+. If the pH of the solution is 3.72 with an bsolute uncertantity of +0.03, what is the (H+) and its absolute uncertainty?
1) What is the pH of a solution in which 25 mL of 0.10 M NaOH is added to 15 mL of 0.10 M HCl? 2) If you add 2.50 mL of 0.150 M HCl to 100 mL of a buffer consisting of 0.100 M CH3COOH and 0.200 M CH3COONa, what will be the change in pH? (Ka of CH3COOH is 1.8x10^-5)
A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HCl in a coffee cup calorimeter. If both solutions were initially at 35.0°C and the temperature of the resulting solution was recorded as 37.0°C, determine the experimental AHxt (in units of kJ/mol NaOH) for the neutralization reaction between aqueous NaOH and HCI. Assume that no heat is lost to the calorimeter or the surroundings, and that the density of the solution is...
When 50ml of 0.10M HCl is mixed with 50 ml of 0.30M NaOH, what is the approximate pH of the resulting solution? When 50 mL of 0.10 M HCI is mixed with 50 mL of 0.30 M NaOH, what is the approximate pH of the resulting solution? (B) 7 (C) 9 (A) 1 E) 13 ** (D) 11 . *
15.00 mL of 1.000 M NaOH solution is mixed with 50.00 mL of 1.000 M HCl solution, both at 21.0 °C. Assuming that the density of both of the solutions is 1.00 g/ml, and that the specific heat capacity is 4.18 JK-Ig1, what is the final temperature of the solution? The heat of neutralization of HCl by NaOH is -63.2 kJ/mol.
6) A stock solution of HCl is 11.50 M, if 15.29 ml of the stock solution is diluted with water to a total volume of 5.000 L what is the pH, POH, [H3O*], and (OH) at 25°C of the new (dilute) solution? (show your work). pH : рон: [H30*) : [OH') : Experimental Data, Observations, and Calculations - Use correct sig figs and units for all measurements and calculations Part B: Standard pH What color do you see for each...
Calculate the pH after adding 0.5 mL of 0.1 M HCl to 100 mL of a phosphate buffer in which [H2PO, ] = [HPO? 1=0.35 M? What will be the effect on the initial pH? 3 Part I: Preparation of acetate buffer solution (20 points) Solution Initial pH After adding 2 ml HCI After adding 2 ml NaOH Distilled water 7.1 2.2 12.5 Acetate buffer 4.5 4.3 4.7 Determination of K of the buffer solution Calculated Concentration of CH3COOH Calculated...
4. Calculate the volume of 1 M sodium hydroxide (NaOH) needed to prepare 10 ml of a 0.10 M sodium hydroxide solution. 5. Calculate the volume of 1 M hydrochloric acid (HCI) needed to prepare 10 mL of a 0.10 M hydrochloric acid solution. 6. Determine the volumes of 0.10 M CH3COOH and 0.10 M CH3COONa required to prepare 10 ml of the following pH buffers. (Note: the pka of CH3COOH =4.7) C. pH 3.7 b. pH 47 C. pH...