1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
0.5×1023
b
3.5×1023
c
1.5×1023
d
1.8×1032
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Molecular weight of NH3 is 17According to the mole concept17 g NH3 has molecules = 6.02 ×1023∴1gNH3 has molecules =6.02×102317∴4.25gNH3 has molecules =6.02×1023×4.2517=1.5×1023 molecule