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A 77.2 g sample of NaOH is dissolved in water and the solution is diluted to...
A 65.0 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 4.94 liters. Calculate the molarity of the solution. Use 40.0 as the molar mm for NaOH. Type your answer
1 2 points A 52.2 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 4.36 liters. Calculate the molarity of the solution. Use 40.0 as the molar mass for NaOH. Type your answer. Previous
44 2 points A 443 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 2.01 liters. Calculate the molarity of the solution. Use 400 as the molar mass for NaOH Type your answer. Previous
| A 0.458 g sample of a diprotic acid is dissolved in water and titrated with 0.170 M NaOH. What is the molar mass of the acid if 37.4 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
Part A. caculate the molarity. 6.65 g of NaCl in 250. mL of a NaCl solution Part B. calculate the volume, in liters, for each of the following 34.0 g of NaHCO3 from a 1.00 M NaHCO3 solution (express your answer as three significant figures) Part C. calculate the final concentration of each of the following 1. a 20.0 ml sample of an 7.0% (m/v) KBr solution is diluted with water so that the final volume is 222.0 mL 2....
A 50 g sample of NaOH is dissolved in 1.00 L of water at 20 °C in a calorimeter. The final temperature of the solution is 33.2 °C. Calculate the molar heat of solution. Assume the heat capacity of the calorimeter is 16 J/K.
A 0.541 g sample of a diprotic acid is dissolved in water and titrated with 0.160 M NaOH. What is the molar mass of the acid if 30.6 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: _____ g/mol
A 0.521 g sample of a diprotic acid is dissolved in water and titrated with 0.160 M NaOH. What is the molar mass of the acid if 40.4 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
A 0.401 g sample of a diprotic acid is dissolved in water and titrated with 0.130 M NaOH. What is the molar mass of the acid if 31.3 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol
A 0.824 g sample of a diprotic acid is dissolved in water and titrated with 0.200 M NaOH. What is the molar mass of the acid if 37.2 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol