A 100% 7:07 PM Wed Feb 5 х Unanswered •1 attempt left What is the concentration of a NH4NO3 solution if the solution exerts an osmotic pressure of 1.62 atm at 50 °C? 0.0087 M 0.031 M 0.061 M 0.12 M 0.20 M Submit

A 100% 7:07 PM Wed Feb 5 х Unanswered •1 attempt left What is the concentration of a NH4NO3 solution if the solution exerts an osmotic pressure of 1.62 atm at 50 °C? 0.0087 M 0.031 M 0.061 M 0.12 M 0.20 M Submit

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What is the equilibrium concentration of N₂ in water that is in contact with air at 25 °C and air pressure 1 atm? The mole fraction of N2₂ in the air is 80 %, and Henry's law constant for N₂ is 6 x 10-4 mol L-1 atm-1. Select the nearest value. O 4.8x 10-3 mg L-1 4.8 x 10-4 mmol L-1 0.6 x 10-4 mol L-1 6 x 10-3 g L-1 6 x 10-4 mol L-1
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Given the following solutions: Solutions Flask 1 Flask 2 Flask 3 0.06 M KI 20.0 mL 20.0 mL 10.0 mL 1% starch 5.00mL 5.00mL 5.00mL 0.02 M Na2S2O3 3.50 mL 3.50 mL 3.50 mL 0.08 M H2SO4 5.00 mL 5.00mL 5.00mL 0.05 M NaCl 0 0 10.0 mL and Solutions Beaker 1 Beaker 2 Beaker 3 0.06 M H2O2 20.0 mL 10.0 mL 20.0 mL deioinized water 0 10.0 mL 0 Following the procedure Run 1 is when Beaker 1 is added to Flask 1 and the timer is started giving the time recorded for the run in the table below. This is repeated with Beaker 2 and Flask 2 for Run 2 and finally Beaker 3 and Flask 3 for Run 3: The results for these runs are given below: Run Time (seconds) 1 20 2 38 3 44 Calculate the following for each run: the initial molarities of I- and H2O2 (from the solutions tables ) the rates of reaction [I2]/time (calculate the [I2] from [S2O32-] and using the reaction: I2(aq) + 2 S2O32-(aq) → 2I-(aq) + S4O62-(aq) Choose the correct rate law for this reaction from your…
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QUESTION 9 (4b-301-196-3.69) A 196 gram sample of glucose (C6H1206) was used to make a 3.69 M solution. What is the volume of that solution? Show all work and give your answer with three sig figs. Note M(C6H1206) = 180.16 g/mol. QUESTION 10 (4b-401-1.53-1) An intern working in a research lab knocks over a beaker containing an important solution. The beaker originally contained 1.50 L of a 1.53 M solution, but after it spilled it only contained 1 L of solution. The intern decides to hide his mistake by refilling the beaker to contain 1.50 L again by adding pure water (not realizing that this will dilute the solution). What is the new concentration of the solution? Show all work and give your answer with three sig figs. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers ADR 1600 4101 1O Aa MacBook Air 80 000 O00 DII DD F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 %23 2.
HQ12.22 X Answered. 1 attempt left Find the volume of HCI gas at STP required to prepare 3.50 L of a 0.100 m HCI solution (assume water density = 1.00 g/mL). Numeric answer 8.68 X X Answered - Incorrect Done