A solution is made by mixing .5 g of sodium acetate with water to make 50...
A solution is made by mixing .5 g of sodium acetate with water to make 50 mL of solution. What is the concentration, in moles per liter, of the sodium acetate solution?
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A solution is made by mixing .5 g of sodium acetate with water
to make 50...
A stock solution of 5 M sodium acetate has been made. You want to make a...
A stock solution of 5 M sodium acetate has been made. You want to make a 50 ml 0.33 M sodium acetate solution for your lab bench. How much of the stock solution and water do you need? (ml)
Calculate the pH of the solution created by mixing 0.5 g solid sodium acetate with 50...
Calculate the pH of the solution created by mixing 0.5 g solid sodium acetate with 50 mL of 0.1 M acetic acid. The Ka of acetic acid is 1.8x10-5
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to...
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution. Hint given in feedback. The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water...
Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to...
Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH COOH, and dissolving in water to make 500. mL of solution. Answer:
A solution is made by mixing 1.5 g of NaOH (mw=40) in enough water to make...
A solution is made by mixing 1.5 g of NaOH (mw=40) in enough water to make a solution with a final volume of 1330 mL What is the pH of the solution?
Table 1. Sodium Acetate Solution Data Mass of Sodium Acetate (g) Volume of Sodium Acetate (mL)...
Table 1. Sodium Acetate Solution Data Mass of Sodium Acetate (g) Volume of Sodium Acetate (mL) Concentration of Sodium Acetate Solution (M) 4 100 ?? Show your work for the calculation of the concentration (in molarity) the sodium acetate solution in Table 1 (in Question 2 above). Include units. NOTE: The molar mass of sodium acetate is 82.0343 g/mol.
Table 3: Sodium Acetate Data Sodium Acetate (g) Molarity of Sodium Acetate (Step 7) 4.0 g...
Table 3: Sodium Acetate Data Sodium Acetate (g) Molarity of Sodium Acetate (Step 7) 4.0 g 0.4876 M Table 4: Buffer Solutions and pH Readings for Beakers A, B, C, D, and E Buffer mL of Acetic Acid mL of Sodium Acetate pH measured A 5 5 4.3 B 5 1 3.6 C 10 1 3.4 D 1 10 5.3 E 1 5 5.0 Post-Lab Questions What are the calculated pH values for the buffers (A,B,C,D and E) that you...
A solution is made by mixing 38.2 grams of CaCl2 with 253 mL of ethanol. What...
A solution is made by mixing 38.2 grams of CaCl2 with 253 mL of ethanol. What is the mass/mass % of the solution? (HINT: The density of ethanol is 0.789 g/mL). 16.06 Question 5 0/2 pts 0.053 grams of NaNO3 is dissolved in 152 mL of water. What is the concentration of sodium nitrate in terms of parts per million? (HINT: 1 mL water = 1 g). 4,100
D. Buffers 1. A buffer solution was made by dissolving 10.0 grams of sodium acetate in...
D. Buffers 1. A buffer solution was made by dissolving 10.0 grams of sodium acetate in 200.0 mL of 1.50 M acetic acid. Assuming the change in volume when the sodium acetate is added is not significant, estimate the pH of the acetic acid/sodium acetate buffer solution. The K, for acetic acid is 1.8 x 105. 2. Calculate the pH of a buffer solution that initially consists of 0.0400 moles of ammonia and 0.0250 moles of ammonium ion, after 20.0...
16. A solution is prepared by mixing 42.0 g of sodium sulfate with 139 g of water. What is true? a) There will be...
16. A solution is prepared by mixing 42.0 g of sodium sulfate with 139 g of water. What is true? a) There will be 181 g of solution. b) m/m% sodium sulfate is 42.0% c) There will be exactly 181 mL of solution d) the m/m % water is 76.8% e) a and d
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution. Hint given in feedback. The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water...
Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH COOH, and dissolving in water to make 500. mL of solution. Answer:
A solution is made by mixing 38.2 grams of CaCl2 with 253 mL of ethanol. What is the mass/mass % of the solution? (HINT: The density of ethanol is 0.789 g/mL). 16.06 Question 5 0/2 pts 0.053 grams of NaNO3 is dissolved in 152 mL of water. What is the concentration of sodium nitrate in terms of parts per million? (HINT: 1 mL water = 1 g). 4,100
D. Buffers 1. A buffer solution was made by dissolving 10.0 grams of sodium acetate in 200.0 mL of 1.50 M acetic acid. Assuming the change in volume when the sodium acetate is added is not significant, estimate the pH of the acetic acid/sodium acetate buffer solution. The K, for acetic acid is 1.8 x 105. 2. Calculate the pH of a buffer solution that initially consists of 0.0400 moles of ammonia and 0.0250 moles of ammonium ion, after 20.0...
16. A solution is prepared by mixing 42.0 g of sodium sulfate with 139 g of water. What is true? a) There will be 181 g of solution. b) m/m% sodium sulfate is 42.0% c) There will be exactly 181 mL of solution d) the m/m % water is 76.8% e) a and d
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