Related Questions
of are passed over hot coke. The maximum volume of CO formed is :
Elements X and Y form compounds and . If 20 g of contains 0.2 moles and 18 g of contains 0.1 moles. What are the atomic weights of elements X and Y?
X = 20, Y = 40
X = 30, Y = 35
X = 40, Y = 30
X = 50, Y = 25
Number of atoms in 3 mol of
atoms
atoms
atoms
All of these
Arrange the following in increasing order of the number of atoms present:
(i) 2 g of He
(ii) 4 g of
(iii) 8 g of
(i) < (ii) < (iii)
(i) < (iii) < (ii)
(ii) < (i) < (iii)
(iii) < (ii) < (i)
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
10g of which of the following substances contains the greatest number of atoms?
He
Ne
If 1 mole of a substance contains particles, how many particles are present in 0.5 moles?
1.505 x 10^23
3.011 x 10^23
6.022 x 10^23
12.044 x 10^23
Which sample contains the largest number of helium atoms?
0.1 mol of He
0.2 mol of He
0.1 mol of
0.1 mol of
Which of the following has the maximum number of atoms?
1 g of H₂O
1 g of O₂
1 g of CH₄
1 g of Li
