2.0 g of a tri-atomic gaseous element was found to occupy a volume of 448 ml at 76 cm of Hg and 273 K. The mass of its 1 atom is

0.30 g of gas was found to occupy a volume of 82.0 mL at 27^(@)C and 3 atm. Pressure. The molecular mass of the gas is

2.8 g of a gas at 1atm and 273K occupies a volume of 2.24 litres. The gas can not be:

0.05 g of a gas at 750 mm pressure and 25°C occupy a volume of 46.5 mL. Calculate the molecular mass of the gas.

0.36 gm of a triatomic gas, X_(3) occupies 168 ml at 1 atm & 273 K. The atomic weight of X is

20g of ideal gas contains only atoms of S and O occupies 5.6 L at 1 atm and 273K. what is the molecular mass of gas ?

20g of ideal gas contains only atoms of S and O occupies 5.6 L at 1 atm and 273K. what is the molecular mass of gas ?

A certain mass of gas occupies a volume of 500 cm^(3) at 0.9 atm and at a temperature 320K. What is its volume at NTP ?

40 mg of gaseous substance ( X_(2) ) occupies 4.8 mL of volume at 1 atm and 27^(@) C. Atomic mass of element X is : (R:0.08 atm L/mole- k )

An element is found in nature in two isotopic forms with mass numbers (A-1) and (A+3). If the average atomic mass of the element is found to be A, then the relative abundance of the heavier isotope in the nature will be :

The weight of 1 atom of an element is 8 x 10^-23 .what is its atom mass?