find the number of mole of molecules present in 50ml of an ideal gas exerting a pressure of 770 mm of hg at 25 degree celcious
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Answer:
Number of moles = 0.002
Explanation:
Pressure (P) = 770 mm of Hg
= 77 cm of Hg
= 1.013 atm
Temperature (T) = 25°C
= (25+273) K
= 298 K
Volume (V) = 50 mL
= 0.05 L
Gas Constant (R) = 0.082 atm.L/K.mol
PV = nRT
= (1.013*0.05) = (n*0.082*298)
= 0.05065 = 24.436n
= 0.002 = n
The Number of Moles = 0.002.
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