Questions: What goes in the denominator?
10.2 g sucrose
10.2 solution
100 g sucrose
36 g sucrose
100 g solution
What volume of a 10.2% m/v solution of sucrose would be needed to deliver 36 g of sucrose?
Transcript text: What goes in the denominator?
10.2 g sucrose
10.2 solution
100 g sucrose
36 g sucrose
100 g solution
- What volume of a $10.2 \% \mathrm{~m} / \mathrm{v}$ solution of sucrose would be needed to deliver 36 g of sucrose?
Solution
Solution Steps
Step 1: Understand the Problem
We need to find the volume of a 10.2% m/v (mass/volume) sucrose solution that contains 36 g of sucrose.
Step 2: Define the Given Information
The concentration of the solution is 10.2% m/v, which means 10.2 g of sucrose per 100 mL of solution.
We need to find the volume of solution that contains 36 g of sucrose.
Step 3: Set Up the Proportion
We can set up a proportion based on the given concentration:
\[
\frac{10.2 \text{ g sucrose}}{100 \text{ mL solution}} = \frac{36 \text{ g sucrose}}{V \text{ mL solution}}
\]
Step 4: Solve for the Volume \( V \)
Cross-multiply to solve for \( V \):
\[
10.2 \text{ g} \times V \text{ mL} = 36 \text{ g} \times 100 \text{ mL}
\]
\[
10.2V = 3600
\]
\[
V = \frac{3600}{10.2}
\]
\[
V \approx 352.9412 \text{ mL}
\]
Step 5: Round to Four Significant Digits
Round the volume to four significant digits:
\[
V \approx 352.9 \text{ mL}
\]