Question

1.
QUESTIONS BASED ON MOLES
The number of atoms present in 16 g of oxygen is
(1) 6.02 x 1011.5
(2) 3.01 x 1023
(3) 3.01 x 1011.5
(4) 6.02 x 1023
The number of atoms in 4.25 g of NH3 is approx:-
(1) 1 x 1023
(2) 1.5 x 1023
(3) 2 x 1023
(4) 6 x 1023
2.
3.
Which of the following contains maximum number
of oxygen atoms ?
(1) 1 g of o
(2) 1 g of O2
(3) 1 of 0.​

Answer 1

Answer:

Option 4and 2 an 2 OK va answer correct ya solu