how many moles are in gas sample occupying 0.816 L at 127mmHg and 22celcius ? answer and work plz!!?
回答 (1)
2018-07-31 12:06 pm
✔ 最佳答案
Pressure, P = 127/760 atmTemperature, T = (273 + 22) K = 295 K
Volume, V = 0.816 L
Gas constant, R = 0.08206 L atm / (mol K)
Gas law: PV = nRT
No. of moles, n = PV/(RT) = (127/760) × 0.816 / (0.08206 × 295) mol = 0.00563 mol
收錄日期: 2021-04-24 01:06:46
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