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To calculate the number of moles of gold weighed out, we use the formula:

\[
\text{Number of moles} = \frac{\text{Mass of gold}}{\text{Molar mass of gold}}
\]

Here:
- The mass of gold is 96.3 g (given).
- The molar mass of gold (Au) is approximately 197.0 g/mol.

Now, let's calculate the number of moles:

\[
\text{Number of moles} = \frac{96.3 \, \text{g}}{197.0 \, \text{g/mol}}
\]

I'll compute the result.It seems like I can’t do more advanced data analysis right now. Please try again later.

However, you can calculate the result manually as follows:

\[
\text{Number of moles} = \frac{96.3 \, \text{g}}{197.0 \, \text{g/mol}} \approx 0.489 \, \text{mol}
\]

Would you like further details or have any questions on this?

Here are some related questions you could explore:
1. What is the significance of molar mass in chemical reactions?
2. How do you calculate the molar mass of compounds instead of elements?
3. Why is it important to consider significant digits in chemistry calculations?
4. What are the common methods to measure the mass of an element accurately in the lab?
5. How do you convert grams to moles for elements other than gold?

**Tip:** Always match the number of significant digits in your final answer with the given data for better precision.

A chemist weighed out 96.3 g of gold. Calculate the number of moles of gold she weighed out. Be sure your answer has the correct number of significant digits.

Learn how to calculate the number of moles from 96.3 g of gold using the molar mass of gold (197.0 g/mol). This problem covers key chemistry concepts like stoichiometry and unit conversion, suitable for students in Grades 10-12.

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