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1. (10 pts) Calculate how many milliliters of 0.200 M HCI should be added to 6.49...
How many mL of 3 M NaOH solution should be added to 100 mL of 0.200 M acetic acid to make acetate buffer, pH 5.00
6. How many mL of 0.2 M sodium acetate should be added to 200 mL of 0.2 M acetic acid to make a buffer of pH 5.5? (refer to Table 2-2 on page 60 for pKa values). What is the molarity of the resulting buffer with respect to acetate (acetate + acetic acid)? 7. How many mL of 0.2 M HCl should be added to 50 mL of 0.2 M Tris base (Trishydroxymethyl aminomethane) to make a buffer of pH...
How many milliliters of 10.0 M HNO3 solution must be added to a 1.0 L buffer that is .01 M acetic acid ( HC2H3O2) and .2M sodium acetate (NaC2H3O2) to bring the pH to 5.6? the pKa of acetic acid is 4.75
How many milliliters of 12.0 M HCl should be added to 5.00 x 102 mL of 0.100 M Na2SO3 to produce a pH 7.00 buffer solution. For H2SO3 Ka1 = 1.39 x 10-2 and Ka2 = 6.73 x 10-8.
i need help with number 4 and 5 please 4. How many mL of 0.100 M NaOH should be added to 500.0 mL of 0.150M acetic acid to produce a buffer pH 4.0? pKa acetic acid 4.757. ANSWER: 112 mL 5. How many mL of 0.100 M HCI should be added to 500.0 mL of 0.150 M sodium acetate to produce a buffer pH 5.0? pKa acetic acid 4.757 ANSWER: 273 mL
i know the answer but i dont know how to get it 10. How many milliliters of 10.0 M HNO3 solution must be added to a LOL buffer system that is 0.001 M acetic acid (HC2H302) and 0.1 M sodium acetate (NaC2H302) to bring the pH to 5.452 The pka of acetic acid is 4.75 a. 1.58 ml d. 2.99 mL b. 3.92 mL e. It is impossible to tell from the given information c. 25.00 mL
How many grams of solid ammonium chloride should be added to 1.00 L of a 0.281 M ammonia solution to prepare a buffer with a pH of 8.530 ? grams ammonium chloride = g. How many grams of solid sodium acetate should be added to 0.500 L of a 9.49x10-2 M acetic acid solution to prepare a buffer with a pH of 5.309? grams sodium acetate =
Calculate the theoretical number of mL of 0.200 M HCI needed to completely neutralize the weak base in the 25.0 mL of buffer. From your graph, determine how many mLo 0.200 MHCI were actually used to neutralize the base in the buffer. Compare this value to the calculated value. Did your buffer resist change in pH for the entire titration? Explain. Calculate how many moles of acid were added to reach the capacity of the buffer
How many grams of solid sodium acetate should be added to 1.00 L of a 0.284 M acetic acid solution to prepare a buffer with a pH of 5.292 ? grams sodium acetate = g.
How many grams of solid sodium acetate should be added to 1.50 L of a 0.155 M acetic acid solution to prepare a buffer with a pH of 4.143 ? grams sodium acetate = g.