3. A mixture of Na2CO3 and NaHCO3 has a mass of 22.0 g. Treatment with excess HCI solution liberates 6.00 L CO2 at 25°C and 0.947 atm pressure. Determine the percent Na2CO3 in the mixture. Hint: Remember, percent mass is the ratio of the mass of substance and the total mass. 55% 35% 40% 65%

3. A mixture of Na2CO3 and NaHCO3 has a mass of 22.0 g. Treatment with excess HCI solution liberates 6.00 L CO2 at 25°C and 0.947 atm pressure. Determine the percent Na2CO3 in the mixture. Hint: Remember, percent mass is the ratio of the mass of substance and the total mass. 55% 35% 40% 65%

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter10: Gases And Their Properties

Section: Chapter Questions

Problem 102IL

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

3. A mixture of Na2CO3 and NaHCO3 has a mass of 22.0 g. Treatment with excess HCI
solution liberates 6.00 L CO2 at 25°C and 0.947 atm pressure. Determine the percent
Na2CO3 in the mixture. Hint: Remember, percent mass is the ratio of the mass of
substance and the total mass.
55%
O 35%
40%
65%

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