Enter your answer in the provided box. What volume of 0.112 M ammonium sulfate contains 9.40...
21. Enter your answer in the provided box. What is the pH of a 0.112 M monoprotic acid whose Ka is 8.443 × 10−3? pH = _______
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. 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
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
Enter your answer in the provided box. Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp =0.11 at 250°C NH HS(s) H2S() +NH3() If 60.5 g of NH HS(s) is placed in a sealed 5.0-L container, what is the partial pressure of NH3(g) at equilibrium? PN atm Enter your answer in the provided box. Even at high temperatures, the formation of NO is not favored: (K-4.10x 10 at 2000°C) N28)+O2(g)= 2 NO(g) What is (NO] when a...
Enter your answer in the provided box. Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.11 at 250°C: NH4HS(S) = H2S(g) + NH3(g) If 53.1 g of NH4HS() is placed in a sealed 5.0-L container, what is the partial pressure of NH3(g) at equilibrium? Рун, = atm
Enter your answer in the provided box. Report problem What is the m/z value (to the mearest whole number) of the molecular ion of the following compound? Hint Solutiorn Guided Solution Your Answer
Enter your answer in the provided box. A buffer that contains 0.459 M base, B, and 0.202 M of its conjugate acid, BH, has a pH of 8.86. What is the pH after 0.0020 mol of HCl is added to 0.250 L of this solution? pH =
Enter your answer in the provided box. A buffer that contains 1.05 M base, B, and 0.700 M of its conjugate acid, BH, has a pH of 9.350. What is the pH after: 0.0055 mol of HCl is added to 0.550 L of this solution? pH