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3. Complete and balance the following equations: <- V- ®o°H7 b. Co(C,H,O,);·4H,O, -A->

3. Complete and balance the following equations: <- V- ®o°H7 b. Co(C,H,O,);·4H,O, -A->

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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## Transcription for Educational Website ### Problems: **3. Complete and balance the following equations:** a. \( \text{BaCl}_2 \cdot 2\text{H}_2\text{O}_{(s)} \overset{\Delta}{\longrightarrow} \) b. \( \text{Co(C}_2\text{H}_3\text{O}_2)_2 \cdot 4\text{H}_2\text{O}_{(s)} \overset{\Delta}{\longrightarrow} \) --- **4. What is the percent by mass of water in:** a. \( \text{BaCl}_2 \cdot 2\text{H}_2\text{O} \) b. \( \text{Co(C}_2\text{H}_3\text{O}_2)_2 \cdot 4\text{H}_2\text{O} \) --- **5.** Determine the empirical formula and the molecular formula of a compound that consists of 8.74% C, 77.43% Cl, 13.83% F and has a molar mass of 137.5 g/mol. --- **Note:** Questions marked with an asterisk (*) may require additional data or calculations beyond the provided information. --- ### Explanation: - **Problem 3:** This question involves the thermal decomposition of hydrates, where water is removed upon heating (\( \Delta \)). - **Problem 4:** Requires calculation of the percentage of water by mass in given hydrates. - **Problem 5:** Using percentage composition to determine the empirical and molecular formulas needs atomic masses and a determination of moles.
Transcribed Image Text:## Transcription for Educational Website ### Problems: **3. Complete and balance the following equations:** a. \( \text{BaCl}_2 \cdot 2\text{H}_2\text{O}_{(s)} \overset{\Delta}{\longrightarrow} \) b. \( \text{Co(C}_2\text{H}_3\text{O}_2)_2 \cdot 4\text{H}_2\text{O}_{(s)} \overset{\Delta}{\longrightarrow} \) --- **4. What is the percent by mass of water in:** a. \( \text{BaCl}_2 \cdot 2\text{H}_2\text{O} \) b. \( \text{Co(C}_2\text{H}_3\text{O}_2)_2 \cdot 4\text{H}_2\text{O} \) --- **5.** Determine the empirical formula and the molecular formula of a compound that consists of 8.74% C, 77.43% Cl, 13.83% F and has a molar mass of 137.5 g/mol. --- **Note:** Questions marked with an asterisk (*) may require additional data or calculations beyond the provided information. --- ### Explanation: - **Problem 3:** This question involves the thermal decomposition of hydrates, where water is removed upon heating (\( \Delta \)). - **Problem 4:** Requires calculation of the percentage of water by mass in given hydrates. - **Problem 5:** Using percentage composition to determine the empirical and molecular formulas needs atomic masses and a determination of moles.
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