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- Which of the following has maximum number of molecules?
Which of the following has maximum number of molecules?
a. 7 g N2 b. 2 g H2 c. 8 g O2 d.20 g NO2
Answers (1)
we know that,
No. of moles is given by
= Molecular weight (M)/ given Weight (W)
Therefore,
(a) No. of moles in a option =7 /28= 0.25 moles
(b) No. of moles in b option i.e H2=2/2 = 1 mole
(c) No. of moles in c option =16 /46= 0.347 moles
(d) No. of moles in D option =16 /32= 0.5 moles
Now as H2 has maximum no. of moles, thus it has maximum no. of molecules
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