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21. How many moles of KCl are produced when you use 3.75 moles of K? 22 Hou

21. How many moles of KCl are produced when you use 3.75 moles of K? 22 Hou

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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Number 21

**Chemical Reaction Stoichiometry** **For questions 20 – 25, consider the following reaction:** \[ 2\text{K} + \text{Cl}_2 \rightarrow 2\text{KCl} \] **Question 20:** How many moles of \(\text{Cl}_2\) react with 1 mole of K? --- ### Explanation In this chemical reaction, two moles of potassium (\(\text{K}\)) react with one mole of chlorine gas (\(\text{Cl}_2\)) to produce two moles of potassium chloride (\(\text{KCl}\)). The stoichiometric coefficients in front of each compound indicate the proportion in which the reactants combine and the products form. For question 20, the stoichiometry of the reaction indicates that one mole of \(\text{Cl}_2\) is required to react with two moles of \(\text{K}\). Therefore, with 1 mole of \(\text{K}\), only half a mole of \(\text{Cl}_2\) will be needed to complete the reaction. This section can aid students in understanding the principles of stoichiometry and the ratios in chemical reactions.
Transcribed Image Text:**Chemical Reaction Stoichiometry** **For questions 20 – 25, consider the following reaction:** \[ 2\text{K} + \text{Cl}_2 \rightarrow 2\text{KCl} \] **Question 20:** How many moles of \(\text{Cl}_2\) react with 1 mole of K? --- ### Explanation In this chemical reaction, two moles of potassium (\(\text{K}\)) react with one mole of chlorine gas (\(\text{Cl}_2\)) to produce two moles of potassium chloride (\(\text{KCl}\)). The stoichiometric coefficients in front of each compound indicate the proportion in which the reactants combine and the products form. For question 20, the stoichiometry of the reaction indicates that one mole of \(\text{Cl}_2\) is required to react with two moles of \(\text{K}\). Therefore, with 1 mole of \(\text{K}\), only half a mole of \(\text{Cl}_2\) will be needed to complete the reaction. This section can aid students in understanding the principles of stoichiometry and the ratios in chemical reactions.
21. How many moles of KCl are produced when you use 3.75 moles of K? 22. How many grams of KCl are produced when you use 3.75 moles of K? 23. How many grams of KCl are produced when you use 0.50 g of Cl₂? 24. How many grams of Cl₂ are used when you begin with 0.025 g of K? 25. How many moles of KCl are produced when you use 3 moles of K?
Transcribed Image Text:21. How many moles of KCl are produced when you use 3.75 moles of K? 22. How many grams of KCl are produced when you use 3.75 moles of K? 23. How many grams of KCl are produced when you use 0.50 g of Cl₂? 24. How many grams of Cl₂ are used when you begin with 0.025 g of K? 25. How many moles of KCl are produced when you use 3 moles of K?
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