A combustion analysis of 1.200 g of an anhydrous sodium salt gave 0.942 g of CO 2
Question:
A combustion analysis of 1.200 g of an anhydrous sodium salt gave 0.942 g of CO2, 0.0964 g of H2O, and 0.246 g of Na. The molar mass of the salt is 112.02 g · mol–1.
(a) What is the chemical formula of the salt?
(b) The salt contains carboxylate groups (OCO2 –), and the carbon atoms are bonded together. Draw the Lewis structure of the anion.
(c) Next, 1.50 g of this sodium salt was dissolved in water and diluted to 50.0 mL. Identify the dissolved substance. Is it an acid, a base, or is it amphiprotic?
Calculate the pH of the solution.
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a NaCHO4 b O H CC ...View the full answer
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Related Book For 
Chemical Principles The Quest For Insight
ISBN: 9781464183959
7th Edition
Authors: Peter Atkins, Loretta Jones, Leroy Laverman
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