An aqueous solution is 20.0% by mass of sodium thiosulfate pentahydrate, Na, S2 O3-5H2O. What is the molarity of Na2 S2 O3 in this solution at 20°C? The density of this solution at 20°C is 1.173 g/mL. mol/L Molarity = A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 1.000 g of the compound produced 1.43 g CO2 and 0.783 g H20. In another experiment, 0.111 g of the compound was dissolved in 25.0 g of water. This solution had a freezing point of –8.94 ×x 10-2 °C. What is the molecular formula of the compound? (Enter the elements in the order: C, H, O.) Formula:

An aqueous solution is 20.0% by mass of sodium thiosulfate pentahydrate, Na, S2 O3-5H2O. What is the molarity of Na2 S2 O3 in this solution at 20°C? The density of this solution at 20°C is 1.173 g/mL. mol/L Molarity = A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 1.000 g of the compound produced 1.43 g CO2 and 0.783 g H20. In another experiment, 0.111 g of the compound was dissolved in 25.0 g of water. This solution had a freezing point of –8.94 ×x 10-2 °C. What is the molecular formula of the compound? (Enter the elements in the order: C, H, O.) Formula:

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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