Question

how many atoms present in 560 cm3 of ammonia at stp

Answer 1

Answer:

Number of atoms is 560 cm

3

of oxygen at S.T.P. is

40

1

×6.022×10

23

.

1 mole of oxygen at STP contains Avogadro's number N of molecules or 2N number of atoms and occupies a volume of 22400 cm

3

.

560 cm

3

of oxygen at STP will have =

22400

560

×6.022×10

23

=

40

1

×6.022×10

23

oxygen molecules.