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1 2 points A 52.2 g sample of NaOH is dissolved in water and the solution...
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 77.2 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 2.59 liters. Calculate the molarity of the solution. Use 40.0 as the molar mass for NaOH. Type your answer...
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
when a 7.00 g sample of KSCN is dissolved in water in a calorimeter that has a total he capacity of 4.36 kJ. K^-1, the temperature decreases by .400 K. calculate the molar heat of solution of KSCN. Resources Give Up?9 When a 7.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity of 4.36 kJ .K-, the decreases by 0.400 K. Calculate the molar heat of solution of KSCN kJ/mol TOOLS...
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....
Question 7 (2 points) A 2.070-g sample of a monoprotic acid was dissolved in water. It took 16.35 mL of a 0.4159 M NaOH to neutralize the acid. Calculate the molar mass of the acid. Provide your answer to two places after the decimal. No points for units. Your Answer: Answer units Hide hint for Question 7 The reaction stoichiometry between the monoprotic acid and NaOH is 1:1.
| 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
Q3.1 3 Points A 12.0 M stock solution of HCl(aq) is diluted with water to give 500.0 ml of 0.155 M HCl(aq). What volume of the initial stock solution is used in ml? Enter your answer here mL Q3.2 6 Points A sample of 75.52 g of xylose (C5H1005) is dissolved in 275.0 mL of water. If the density of water is 1.00 g/ml What is the m/m % of xylose in the solution? Enter your answer here What is...
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