See the example in Introduction for set-up of calculations. Calculate the number of (a) moles of N, and (b) atoms of N in 12.7 g of nitrogen gas, N2. You do not need to include units in your answer, as they have already been included below, and use MM of N2 = 28.0134 g/mol. Type your answers in %3D as an exponential expression (e.g. 1.23E-2 instead of 0.0123), where appropirate, and round your answers to three significant figures. moles of N = moles atoms of N = atoms

Chemistry
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Chapter1: Chemical Foundations
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**Example Problem: Calculating Moles and Atoms of Nitrogen**

Refer to the introductory section for detailed calculation instructions. You are tasked with finding the:

(a) Number of moles of nitrogen (N),  
(b) Number of nitrogen atoms (N),  

in 12.7 grams of nitrogen gas (\( \text{N}_2 \)).

**Instructions:**

- Omit units in your response; units are provided alongside the answer boxes.
- The molar mass (MM) of \( \text{N}_2 \) is given as 28.0134 g/mol.
- Use exponential notation (e.g., 1.23E-2 in place of 0.0123) when suitable.
- Round results to three significant figures.

**Answer Boxes:**

- Moles of N = [______] moles
- Atoms of N = [______] atoms
Transcribed Image Text:**Example Problem: Calculating Moles and Atoms of Nitrogen** Refer to the introductory section for detailed calculation instructions. You are tasked with finding the: (a) Number of moles of nitrogen (N), (b) Number of nitrogen atoms (N), in 12.7 grams of nitrogen gas (\( \text{N}_2 \)). **Instructions:** - Omit units in your response; units are provided alongside the answer boxes. - The molar mass (MM) of \( \text{N}_2 \) is given as 28.0134 g/mol. - Use exponential notation (e.g., 1.23E-2 in place of 0.0123) when suitable. - Round results to three significant figures. **Answer Boxes:** - Moles of N = [______] moles - Atoms of N = [______] atoms
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