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What is the molarity of NO3– in each solution? a. 0.225 M NaNO3 b. 0.225 M Mg(NO3)2 c. 0.225 M Al(NO3)3
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Ch.5 - Introduction to Solutions and Aqueous Solutions
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217
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TOC.tableOfContents
- Ch.1 - Matter, Measurement & Problem Solving118
- Ch.2 - Atoms & Elements106
- Ch.3 - Molecules and Compounds131
- Ch.4 - Chemical Reactions and Chemical Quantities56
- Ch.5 - Introduction to Solutions and Aqueous Solutions82
- Ch.6 - Gases114
- Ch.7 - Thermochemistry96
- Ch.8 - The Quantum-Mechanical Model of the Atom60
- Ch.9 - Periodic Properties of the Elements90
- Ch.10 - Chemical Bonding I: The Lewis Model89
- Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory85
- Ch.12 - Liquids, Solids & Intermolecular Forces51
- Ch.13 - Solids & Modern Materials47
- Ch.14 - Solutions90
- Ch.15 - Chemical Kinetics115
- Ch.16 - Chemical Equilibrium68
- Ch.17 - Acids and Bases136
- Ch.18 - Aqueous Ionic Equilibrium153
- Ch.19 - Free Energy & Thermodynamics93
- Ch.20 - Electrochemistry106
- Ch.21 - Radioactivity & Nuclear Chemistry74
- Ch.22 - Organic Chemistry140
Tro6th EditionChemistry: A Molecular ApproachISBN: 9780137832217Non è quello che usi tu?Cambia libro di testo
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Tro 6th EditionCh.5 - Introduction to Solutions and Aqueous SolutionsProblema 21a
Tro 6th EditionCh.5 - Introduction to Solutions and Aqueous SolutionsProblema 21aCapitolo 5, Problema 21a
Calculate the molarity of each solution. a. 1.22 mol of KI in 1.15 L solution
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Identify the formula for molarity: Molarity (M) = \( \frac{\text{moles of solute}}{\text{liters of solution}} \).
Determine the number of moles of solute, which is given as 1.22 mol of KI.
Determine the volume of the solution in liters, which is given as 1.15 L.
Substitute the values into the molarity formula: \( M = \frac{1.22 \text{ mol}}{1.15 \text{ L}} \).
Simplify the expression to find the molarity of the KI solution.
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Molarity
Molarity is a measure of concentration defined as the number of moles of solute per liter of solution. It is expressed in units of moles per liter (mol/L). To calculate molarity, the formula used is M = n/V, where M is molarity, n is the number of moles of solute, and V is the volume of the solution in liters.
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Percorso guidato
01:13
Molarity
Moles
A mole is a fundamental unit in chemistry that quantifies the amount of substance. One mole corresponds to approximately 6.022 x 10²³ entities, such as atoms or molecules. In the context of solutions, knowing the number of moles of solute is essential for calculating molarity and understanding the composition of the solution.
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01:25Mole Concept
Volume of Solution
The volume of a solution is the total space that the solution occupies, typically measured in liters (L) for molarity calculations. It is crucial to accurately measure the volume of the solution, as it directly affects the molarity. In this case, the volume is given as 1.15 L, which will be used in the molarity formula to determine the concentration of KI in the solution.
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02:35Constant-Volume Calorimetry