Question

1.51×10^23 molecules of NH4cl​

Answer 1

Answer:

1 mole of stuff

specifies

6.022

×

10

23

individual items of stuff. So you have approx. 2 moles.

Explanation:

You have

1.51

×

10

24

individual ammonia molecules.

Moles of ammonia

=

1.51

×

10

24

⋅

ammonia molecules

6.022

×

10

23

⋅

ammonia molecles mol

−

1

=

approx. 2 moles of ammonia molecules

,

Answer 2

Answer:0.25 moles

Explanation:

Number of moles=number of molecules/Avogadro number

1.51*10^23/0.023*10^23=0.25moles