Agas evolved during the fermentation of sugar was collected. after purification its volume was found to be 25.0 l at 22.5°c and 702 mmhg. how many moles of gas were collected?

Moles of gas collected = 0.952 mole

Explanation:

To calculate the number of moles of the gas collected, we use the equation given by ideal gas which follows:

where,

P = pressure of the gas = 702 mmHg  

V = Volume of the gas = 25.0 L

T = Temperature of the gas =

R = Gas constant =

n = number of moles of gas = ?

Putting values in above equation, we get:

Moles of gas collected = 0.952 mole