A mixture of NaHCO 3 and Na 2 CO 3 has a mass of 2.50 g. When


A mixture of NaHCO3 and Na2CO3 has a mass of 2.50 g. When treated with HCl(aq), 665 mL of CO2 gas is liberated with a pressure of 735 mmHg at 25°C. What is the weight percent of NaHCO3 and Na2CO3 in the mixture? (See Study
Question 101 for the reactions that occur.)

Data given in question 101

You have 1.249 g of a mixture of NaHCO3 and Na2CO3. You find that 12.0 mL of 1.50 M HCl is required to convert the sample completely to NaCl, H2O, and CO2.NaHCO3(aq) + HCl(aq)  NaCl(aq) + HO(l) + CO(g) NaCO3(aq) + 2 HCl(aq)  2 NaCl(aq) + HO(l) + CO(g)

What volume of CO2 is evolved at 745 mm Hg and 25°C?

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Chemistry And Chemical Reactivity

ISBN: 9780357001172

10th Edition

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

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