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Ch.2 Chemistry and Measurements
Timberlake - Chemistry: An Introduction to General, Organic, and Biological Chemistry 14th Edition
Timberlake14th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9781292472249Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoTimberlake 14th EditionCh.2 Chemistry and MeasurementsProblema 79a
Capitolo 2, Problema 79a

Solve each of the following problems:
d. A bottle containing 325 g of cleaning solution is used to clean hospital equipment. If the cleaning solution has a specific gravity of 0.850, what volume, in milliliters, of solution was used?

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Understand the relationship between specific gravity and density. Specific gravity is the ratio of the density of a substance to the density of water at a given temperature. Since the density of water is approximately 1.00 g/mL, the specific gravity of 0.850 implies the cleaning solution has a density of 0.850 g/mL.
Write the formula for density: \( \text{Density} = \frac{\text{Mass}}{\text{Volume}} \). Rearrange the formula to solve for volume: \( \text{Volume} = \frac{\text{Mass}}{\text{Density}} \).
Substitute the given values into the formula. The mass of the cleaning solution is 325 g, and the density (from the specific gravity) is 0.850 g/mL. The formula becomes \( \text{Volume} = \frac{325}{0.850} \).
Perform the division to calculate the volume in milliliters. Ensure the units are consistent, as the density is in g/mL and the mass is in grams, so the resulting volume will be in milliliters.
Verify the result and ensure it makes sense in the context of the problem. The volume should be a reasonable value for the given mass and specific gravity of the cleaning solution.

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Specific Gravity

Specific gravity is a dimensionless quantity that compares the density of a substance to the density of water at a specified temperature. It is calculated as the ratio of the density of the substance to the density of water (1 g/cm³). In this context, a specific gravity of 0.850 indicates that the cleaning solution is less dense than water, which is crucial for determining its volume from mass.
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Specific Gravity

Density

Density is defined as mass per unit volume, typically expressed in grams per cubic centimeter (g/cm³) or kilograms per liter (kg/L). It is a fundamental property of materials that influences how substances interact and behave. In this problem, knowing the specific gravity allows us to derive the density of the cleaning solution, which is essential for calculating its volume.
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01:56
Density

Volume Calculation

Volume is the amount of space occupied by a substance, often measured in milliliters (mL) or liters (L). To find the volume of a substance when its mass and density are known, the formula used is Volume = Mass / Density. In this scenario, the mass of the cleaning solution is given, and by using the derived density from the specific gravity, we can calculate the volume of the solution used.
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