Calculate the volume occupied by 5 g of acetylene gas at 5 c and 740 mm pressure
Answers
Answered by
40
Applying the general gas equation
PV = nRT = m/M RT
Here, Mol. wt. of acetylene i.e., C2H2 (M) = 26, P = 740/760 atm,
T = 50oC = 50 + 273 = 323 K
∴ V = mRT/MP or V 5 * 0.082 *323 *760/26 *740 = 5.23 l
Answered by
2
Answer: The volume occupied by the gas is 4.5 L
Explanation:
To calculate the volume of acetylene gas, we use the equation given by ideal gas:
where,
P = Pressure of acetylene gas = 740 mmHg
V = Volume of the acetylene gas = ?
m = mass of acetylene gas = 5 g
M = molar mass of acetylene gas = 26 g/mol
R = Gas constant =
T = Temperature of acetylene gas =
Putting values in above equation, we get:
Hence, the volume occupied by gas is 4.5 L.
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