How many grams of Bcyclam are contained in 7.0ml of a 0.050 M solution (molar mass = 254.422g/mol)?

To calculate the number of grams of Bcyclam in a 7.0 mL of a 0.050 M solution, follow these steps:

### Step 1: Convert milliliters to liters
Since molarity (M) is moles per liter, we need to express the volume in liters:
\[
7.0 \, \text{mL} = 7.0 \times 10^{-3} \, \text{L} = 0.007 \, \text{L}
\]

### Step 2: Calculate the number of moles of Bcyclam
Molarity (M) is defined as moles of solute per liter of solution. To find the number of moles:
\[
\text{moles of Bcyclam} = \text{Molarity} \times \text{Volume in liters}
\]
\[
\text{moles of Bcyclam} = 0.050 \, \text{mol/L} \times 0.007 \, \text{L} = 0.00035 \, \text{mol}
\]

### Step 3: Convert moles to grams
To convert moles to grams, multiply by the molar mass of Bcyclam:
\[
\text{grams of Bcyclam} = \text{moles} \times \text{molar mass}
\]
\[
\text{grams of Bcyclam} = 0.00035 \, \text{mol} \times 254.422 \, \text{g/mol} = 0.0890 \, \text{g}
\]

### Final Answer:
There are **0.0890 grams** of Bcyclam in 7.0 mL of the 0.050 M solution.

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### Related Questions:
1. How is molarity related to mass in chemical solutions?
2. What are the common methods for converting moles to grams?
3. How does the molar mass of a substance influence the amount of solute in a solution?
4. What is the significance of significant figures in chemical calculations?
5. How would changing the volume of the solution affect the mass of Bcyclam?

**Tip:** Always ensure to convert all units to standard SI units (like liters, moles, etc.) in chemistry calculations.

Learn how to calculate the grams of Bcyclam in 7.0 mL of a 0.050 M solution with a molar mass of 254.422 g/mol. This step-by-step solution includes unit conversion, molarity calculations, and mole-to-mass conversion. Suitable for high school chemistry students.

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