Question

Ti
According to the gas
12
86.9
Anx
T
26.16 mL
750 x 27.96 273
288 760
V2
71
REVI
VEX
1.73 What do you understand by the molecular mass of
a substance ? Describe Regnault's method for the
determination of molecular mass of a gas.
1.74 What is Graham's law of diffusion and how is this
law useful in the determination of molecular mass of
a gas?
1.75 What do you understand by molar volume of a gas?
1.76 Describe a method for the determination of molecular
mass of a volatile substance.
1.77 10 litres of a gas at S.T.P. weigh 19.64 g. Calculate
the molecular mass of the gas.
Ans. 44]
1.78 240 mL of a dry gas measured at 27°C and 750 mm
pressure weighed 0.64 g. What is the molecular
mass of the gas?
(Ans. 66.51
1.79 3.7 g of a gas at 25°C occupies the same volume
as 0.184 g of hydrogen at 17°C and at the same
pressure. What is the molecular mass of the
gas
Ans. 41.33)
13 VOLUMETRIC CALCULATIONS​

Answer 1

Answer:

dont know bro sorry .......m

Explanation:

srry once again