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100.0 g of a ground mineral sample consisting of a mixture of MGCO3 (magnesite) and BaCO3 (witherite) was heated to completely convert the carbonates to their metal oxides. After the reaction 62.35 g of the metal oxide mixture was obtained. What was the mass of MgCO3 in the original sample?

100.0 g of a ground mineral sample consisting of a mixture of MGCO3 (magnesite) and BaCO3 (witherite) was heated to completely convert the carbonates to their metal oxides. After the reaction 62.35 g of the metal oxide mixture was obtained. What was the mass of MgCO3 in the original sample?

Chemistry
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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### Question 18 of 30 --- **Problem Statement:** 100.0 g of a ground mineral sample consisting of a mixture of MgCO₃ (magnesite) and BaCO₃ (witherite) was heated to completely convert the carbonates to their metal oxides. After the reaction, 62.35 g of the metal oxide mixture was obtained. What was the mass of MgCO₃ in the original sample? **Answer Input:** A numeric keypad is provided to input the answer in grams (g). **Additional Resources:** - To assist with calculations, consider the molar mass of MgCO₃ and BaCO₃. - Heating carbonates results in the formation of metal oxides and the release of CO₂. For more guidance, tap or pull up the additional resources tab. --- **Note:** No graphs or diagrams are included in this problem statement.
Transcribed Image Text:### Question 18 of 30 --- **Problem Statement:** 100.0 g of a ground mineral sample consisting of a mixture of MgCO₃ (magnesite) and BaCO₃ (witherite) was heated to completely convert the carbonates to their metal oxides. After the reaction, 62.35 g of the metal oxide mixture was obtained. What was the mass of MgCO₃ in the original sample? **Answer Input:** A numeric keypad is provided to input the answer in grams (g). **Additional Resources:** - To assist with calculations, consider the molar mass of MgCO₃ and BaCO₃. - Heating carbonates results in the formation of metal oxides and the release of CO₂. For more guidance, tap or pull up the additional resources tab. --- **Note:** No graphs or diagrams are included in this problem statement.
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