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3. A solution of Ais prepared by dissolving 0.1658+0.0006 g NaA (molar masse 55 A6240.001 g/mol)...
3. A solution of A is prepared by dissolving 0.1658+0.0006 g NaA (molar mass = 55.462+0.001 g/mol) in 235.00+0.04 mL of water. Calculate the molarity of A in solution and its absolute uncertainty. Be sure to use the correct number of significant figures for the final answer. (10 points)
1. 25.00 mL of a of 0.100M solution of formic acid (HCO,H, PK, = 3.74) is titrated with 0.125 Min NaOH. What is the pH at each of the following? (5 points each) a. After the addition of 15.00mL of NaOH solution. b. After the addition of 20.00 mL of NaOH solution c. After the addition of 25.00 mL of NaOH solution. d. At what volume of added NaOH will pH =pK. 2. A solution is made as follows: 2.735g...
A solution of F− is prepared by dissolving 0.0887±0.0006 g NaF (molar mass = 41.989±0.001 g/mol) in 152.00±0.09 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty.
A solution of F− is prepared by dissolving 0.0722±0.0005 g NaF (molar mass = 41.989±0.001 g/mol) in 154.00±0.06 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty. Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of your calculations.
A solution of F− is prepared by dissolving 0.0986±0.0004 g NaF (molar mass = 41.989±0.001 g/mol ) in 162.00±0.06 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty. Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of your calculations.
A solution of F− is prepared by dissolving 0.0744±0.0005 g NaF (molar mass = 41.989±0.001 g/mol) in 157.00±0.07 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty.
Determine the molarity of a solution of potassium chloride that is prepared by dissolving 1.4753 g of KCl in a 100-mL volumetric flask and filling it to the calibration mark with deionized water. Use a molar mass with at least 4 significant figures so that the number of SF in the calculated molarity is not limited. Show all calculations (including labeled conversion factors) and express the answer with the appropriate number of significant figures. According to the manufacturer, the volume...
A stock solution was prepared by dissolving 0.593 g of pure ASA (molar mass = 180.2 g/mol) with NaOH solution and diluting with water in a 1000 mL volumetric flask. This was followed by pipetting 4.00 mL of the stock solution into flask A and 5.0 mL of the stock into flask B. Flasks A and B were each diluted to 20 mL mark of the volumetric flask. What are the concentrations, in molarity, of ASA in flasks A and...
A solution is prepared by dissolving 78 0 g of glucose (C6H1206 ) in 150 g of water. The final volume is 228 ml Calculate the Molarity (MM of glucose is 180 18 g/mol and MM of water is 18.02 g/mol) For units do not use fractional units like g/mol or g/mL QUESTION 23 A solution is prepared by dissolving 78.0 g of glucose (C6H1208) in 150 g of water. The final volume is 228 ml Calculate the Molality (MM...
A solution is prepared by dissolving 200.0 g of iron (III) chloride (162.2 g/mol) in 200.0 mL of water. What is the molarity of the solution?