To use a 7.9% solution in a 24 fluid ounce (fl oz) container, you first need to understand what the 7.9% concentration means. This percentage indicates that there are 7.9 grams of solute per 100 milliliters of solution.
To calculate how much solute is needed for a 24 fl oz container, you can follow these steps:
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Convert fl oz to milliliters:
1 fl oz is approximately 29.5735 milliliters.
Therefore, 24 fl oz equals: \[ 24 \text{ fl oz} \times 29.5735 \text{ mL/fl oz} \approx 710.68 \text{ mL} \] -
Calculate the mass of solute required:
Using the concentration of 7.9%, we can find out how much solute is needed for 710.68 mL. Since 7.9% means 7.9 grams of solute per 100 mL, we use the ratio: \[ 7.9 \text{ g/100 mL} = x \text{ g/710.68 mL} \] Rearranging the equation, we can calculate x: \[ x = \frac{7.9 \text{ g}}{100 \text{ mL}} \times 710.68 \text{ mL} \approx 56.145 \text{ g} \] -
Prepare the solution:
To prepare this solution, weigh out approximately 56.145 grams of the solute, and then add enough solvent (usually water) to bring the total volume to 24 fl oz (approximately 710.68 mL). -
Mix thoroughly:
Make sure to mix the solution well to ensure that the solute is completely dissolved.
Summary:
- Convert 24 fl oz to mL: ~710.68 mL
- Calculate solute: ~56.145 grams of solute for a 7.9% solution
- Prepare and mix: Combine the solute with enough solvent to reach a final volume of 710.68 mL.
Make sure to use safety precautions, especially if the solute is a chemical substance, and consult any relevant safety data sheets.
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