Question
The molar mass of ammonia (NH ) is 17.03 g/mol. Which expression correctly shows how to determine the number of moles of
ammonia equivalent to 5 g?
ammonia equivalent to 5 g?
Answers
GPT-4o mini
To determine the number of moles of ammonia (NH₃) equivalent to 5 grams, you can use the formula:
\[
\text{Number of moles} = \frac{\text{mass (g)}}{\text{molar mass (g/mol)}}
\]
In this case, the molar mass of ammonia is 17.03 g/mol. Therefore, the expression to calculate the number of moles of ammonia equivalent to 5 g would be:
\[
\text{Number of moles of NH}_3 = \frac{5 \, \text{g}}{17.03 \, \text{g/mol}}
\]
This expression gives you the number of moles of ammonia contained in 5 grams.
\[
\text{Number of moles} = \frac{\text{mass (g)}}{\text{molar mass (g/mol)}}
\]
In this case, the molar mass of ammonia is 17.03 g/mol. Therefore, the expression to calculate the number of moles of ammonia equivalent to 5 g would be:
\[
\text{Number of moles of NH}_3 = \frac{5 \, \text{g}}{17.03 \, \text{g/mol}}
\]
This expression gives you the number of moles of ammonia contained in 5 grams.