Determination of Relative Molecular Masses

What is the relative molecular mass of the gas if $2 \mathrm{g}$ sample is $300 \mathrm{mL}$. The bulb has a pressure of $3.86 \mathrm{atm}$ at $80°\mathrm{C}$. $\mathrm{R} = 0.0821 \mathrm{lit} \mathrm{atm}$.

$0.1348 \mathrm{g}$ of gas was found to occupy a volume of $25.80 \mathrm{mL}$ at $0°\mathrm{C}$ and $760 \mathrm{mm}$ of $\mathrm{Hg}$ pressure. Calculate the relative molecular mass of the gas. (Write the nearest integral value)

$3.895 {\mathrm{dm}}^3$ of a gas at $293 \mathrm{K}$ and $780 \mathrm{mm}$ pressure were found to have a mass of $2.83 \mathrm{g}$. Calculate the relative molecular mass of the gas.

What is the relative molecular mass of the gas if $0.866 \mathrm{g}$ sample is $600.0 \mathrm{mL}$. The bulb has a pressure of $400 \mathrm{mm}$ at $20°\mathrm{C}$. $\mathrm{R} = 0.0821 \mathrm{lit} \mathrm{atm}$.

$300 \mathrm{mL}$ of oxygen gas takes $50$ seconds to effuse through an aperture while the same volume of unknown gas takes $75$ seconds. If the relative molecular mass of oxygen is $32$, find the relative molecular mass of the unknown gas.

The principle behind the process of determination of relative molecular mass of a substance by diffusion method is based on Charles law.

The principle for determination of relative molecular mass of a substance by diffusion method is based on which of the following law.

In $75$ seconds $400 \mathrm{mL}$ of oxygen diffuses through a glass tube. If $25$ seconds are taken by $100 \mathrm{mL}$ of another gas 'X' to diffuse through the same tube under similar conditions. Calculate the relative molecular mass of the gas 'X'. (Give the value approximated to the nearest integer)

Describe the principle behind the process of determination of relative molecular mass of a gas by ideal gas equation.

Describe the process of determination of relative molecular mass of a substance by diffusion method.

In Regnault's method, the capacity of a glass bulb is $127 \mathrm{mL}, 0.4524 \mathrm{g}$ of gas is filled in a bulb at $409 \mathrm{K}$ and $758 \mathrm{mm} \mathrm{Hg}$ pressure. $1 \mathrm{mL}$ of hydrogen at STP has a mass of $0.00009 \mathrm{g}$. Calculate the molecular mass of the gas.

In Regnault's method, $27.32 \mathrm{mL}$ of a gas were found to have a mass of $0.1008 \mathrm{g}$. The experiment was performed at $16.5 °\mathrm{C}$ and $694 \mathrm{mm}$ of mercury. Calculate the molecular mass of the gas. (Write the nearest integral value)

In Regnault's method, $1 {\mathrm{dm}}^3$ of hydrogen at STP has a mass of $0.09 \mathrm{g}$. If $2 {\mathrm{dm}}^3$ of gas at STP has a mass of $2.520 \mathrm{g}$. Calculate molecular mass of the gas.

What is the principle behind the process of determination of molecular mass of a substance by Regnault's method.

Describe the principle and the process of determination of relative molecular mass of a substance by Regnault's method.

The principle behind the process of determination of molecular mass of a substance by molar volume method is that one mole of every gas at STP occupies a volume of $22.4 {\mathrm{dm}}^3$.

Which of the following law is the principle for determination of relative molecular mass of a substance by molar volume method.

What is the principle behind the process of determination of molecular mass of a substance by molar volume method.

Describe the process of determination of relative molecular mass of a substance by molar volume method.

Victor Meyer's method is used for the determination of molecular weight of a volatile compound.