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Calculate the molarity of the two solutions. The first solution contains 0.450 mol of NaOH in 1.25 L of solution. molarity: M The second solution contains 16.3 g of NaCl in 749 mL of solution. molarity: M

Calculate the molarity of the two solutions. The first solution contains 0.450 mol of NaOH in 1.25 L of solution. molarity: M The second solution contains 16.3 g of NaCl in 749 mL of solution. molarity: M

World of Chemistry, 3rd edition
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
Chapter15: Solutions
Section: Chapter Questions
Problem 30A
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please help with all the parts in this question, it is practice so I want to have all the parts to study

**Calculate the molarity of the two solutions.** **The first solution contains 0.450 mol of NaOH in 1.25 L of solution.** - Molarity: [Input Box] M **The second solution contains 16.3 g of NaCl in 749 mL of solution.** - Molarity: [Input Box] M **Explanation:** To find the molarity of a solution, use the formula: \[ \text{Molarity (M)} = \frac{\text{moles of solute}}{\text{liters of solution}} \] For the first solution: - Moles of NaOH = 0.450 mol - Volume = 1.25 L For the second solution: - Mass of NaCl = 16.3 g - Volume = 749 mL = 0.749 L - Molar mass of NaCl = approximately 58.44 g/mol Convert the mass of NaCl to moles using its molar mass to find the molarity.
Transcribed Image Text:**Calculate the molarity of the two solutions.** **The first solution contains 0.450 mol of NaOH in 1.25 L of solution.** - Molarity: [Input Box] M **The second solution contains 16.3 g of NaCl in 749 mL of solution.** - Molarity: [Input Box] M **Explanation:** To find the molarity of a solution, use the formula: \[ \text{Molarity (M)} = \frac{\text{moles of solute}}{\text{liters of solution}} \] For the first solution: - Moles of NaOH = 0.450 mol - Volume = 1.25 L For the second solution: - Mass of NaCl = 16.3 g - Volume = 749 mL = 0.749 L - Molar mass of NaCl = approximately 58.44 g/mol Convert the mass of NaCl to moles using its molar mass to find the molarity.
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