If you have 18g of water and 18g of oxygen, which contains a greater number of molecules?
18g of water
18g of oxygen
They contain the same number of molecules
Cannot be determined
Related Questions
Which of the following contains the greatest number of helium atoms?
4 g of He
20 g of Ne
4 g of
28 g of
Suppose the elements X and Y combine to form two compounds and . When 0.1 mole of weights 10 g and 0.05 mole of weights 9 g, the atomic weights of X and Y are
30,20
40,30
60,40
20,30
If you have 8g of He, 4g of , and 32g of , which sample has the highest number of molecules?
He
Both He and
Which one of the followings has maximum number of atoms ?
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
Calculate the mass (in g) of the gaseous product remaining at STP when a mixture of g formic acid and g oxalic acid is treated with conc. and then passed through pellets.
5.6
11.2
16.8
22.4
Weight of of oxygen at NTP on liquification would be:
1 mol of contains
atoms of H
4 g.atom of Hydrogen
molecules of
3.0 g of carbon
Which one of the followings has maximum number of atoms ?
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
The number of moles in 11.2 L at STP of oxygen
1 mol
0.5 mol
2 mol
0.2 mol
2.24 L of a gas at STP weighs 3.2 g. The molecular weight of the gas is:
16 g/mol
32 g/mol
64 g/mol
128 g/mol
