Enter your answer in the provided box. Calculate the molarity of 2.53 x 102 mL of...
Enter your answer in the provided box. Calculate the molarity of a solution prepared by diluting 65.88 mL of 0.469 M potassium chloride to 150.00 mL. IM Enter your answer in the provided box. Calculate the molarity of sodium ion in a solution made by mixing 6.40 mL of 0.619 M sodium chloride with 550.00 mL of 9.02 x 10-2 M sodium sulfate. Assume volumes are additive. M solution
Calculate the molarity of 1.25 × 102 mL of solution containing 16.9 g of potassium iodide. 816 M potassium iodide
Enter your answer in the provided box. If 27.9 mL of silver nitrate solution reacts with excess potassium chloride solution to yield 0.455 g of precipitate, what is the molarity of silver ion in the original solution? M
Enter your answer in the provided box. A quantity of 2.00 x 102 mL of 0.807 M HCl is mixed with 2.00 10mL of 0.404 M Ba(OH), in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of the HCl and Ba(OH)2 solutions is the same at 20.19°C. For the process H*(aq) + OH(aq) + H2O(1) the heat of neutralization is --56.2 kJ/mol. What is the final temperature of the mixed solution?
Enter your answer in the provided box. Calculate the composition of the following solution in mass/volume %: 40.0 g benzene per 1.00 x 102 mL % benzene Calculate the volume, in L, of water that must be added to dilute 22.9 mL of 10.5 M HCl to 0.0900 M HCl. Enter your answer in the provided box. L water
WILL GIVE THUMBS UP 3 attempts left Check my work Enter your answer in the provided box. points A sample of 0.5760 g of an unknown compound containing barium ions (Ba) is dissolved in water and treated with an excess of Na,C0y. If the mass of the BaCO, precipitate formed is 0.5343 . what is the percent by mass of Ba in the original unknown compound? ebook Print References 3 attempts left Check my work Enter your answer in the...
Enter your answer in the provided box. A quantity of 2.00 x 102 mL of 0.477 M HCl is mixed with 2.00 x 102mL of 0.239 M Ba(OH), in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of the HCl and Ba(OH)2 solutions is the same at 20.45°C. For the process below, the heat of neutralization is -56.2 kJ/mol. What is the final temperature of the mixed solutions? H(aq) + OH(aq) H20(1).
Enter your answer in the provided box. Calculate the volume in milliliters of 1.69 M potassium hydroxide that contains 72.3 g of solute. mL solution
5.) Enter your answer in the provided box. Calculate the following quantity: volume of 1.551 M copper(II) nitrate that must be diluted with water to prepare 946.4 mL of a 0.9513 M solution. __?___ mL 6.) . Enter your answer in the provided box. How many milliliters of 0.836 M HCl are needed to react with 28.8 g of CaCO3? 2HCl(aq) + CaCO3(s) → CaCl2(aq) + CO2(g) + H2O(l) __?__ mL 7.) . Enter your answer in the provided box. Sodium...
Enter your answer in the provided box. How many grams of solute are needed to make 437 mL of 8.26 x 102 M potassium sulfate? g solute