1.

What will be the volume occupied by 10 g of oxygen at 25 degree celcius and 650 mm hg pressure

Answer»

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


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