How many grams of oxygen would be produced from 37.4g Na2CO3?digit _____ (your answer should not be in scientific notation)unit _____

When Sodium carbonate (Na2CO3), i.e. washing soda is heated to 500 oC, it decomposes to form sodium…

Answered: How many grams of oxygen would be…

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter6: Chemical Composition

Section: Chapter Questions

Problem 14A

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Question

How many grams of oxygen would be produced from 37.4g Na₂CO₃?

digit _____ (your answer should not be in scientific notation)

unit _____

Expert Solution

Data given:

When Sodium carbonate (Na₂CO₃), i.e. washing soda is heated to 500 ^oC, it decomposes to form sodium oxide and carbon dioxide.

The balanced chemical reaction is as follows:

Na₂CO₃ $\to N a_{2} O_{(s)} + C O_{2 (g)}$

Mass of Na₂CO₃ = 37.4 g

Molar mass of Na₂CO₃ = no. of Na $\times m a s s o f o n e s o d i u m + n o . o f c a r b o n \times m a s s o f o n e c a r b o n + n o . o f o x y g e n \times m a s s o f o n e o x y g e n$

Molar mass of Na₂CO₃ = ( $2 \times 23 + 1 \times 12 + 3 \times 16$ ) g mol^-1 = 106 g mol^-1

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