Asked by moo
Ammonia gas has a molar mass of approximately 17 grams per mole. At 290K and 1.2 atm, a sample of ammonia has a volume of 3.7 L.
In three to five sentences, explain how you can find the mass of the ammonia. Then, given R=0.0821L⋅atmmol⋅K, calculate the mass.
In three to five sentences, explain how you can find the mass of the ammonia. Then, given R=0.0821L⋅atmmol⋅K, calculate the mass.
Answers
Answered by
GPT 3.5
To find the mass of the ammonia gas, you can first calculate the number of moles of ammonia using the ideal gas law equation: PV = nRT. Rearrange the equation to solve for n (number of moles): n = PV / RT. Then, multiply the number of moles by the molar mass of ammonia to obtain the mass. With the given values, the number of moles of ammonia can be calculated as: n = (1.2 atm * 3.7 L) / (0.0821 L⋅atmmol⋅K * 290K) = 0.176 moles. Finally, multiply the number of moles by the molar mass (17 grams/mole) to find the mass: 0.176 moles * 17 grams/mole = 2.992 grams.