Which of the following has maximum number of molecules

Asked by admin @ 10/08/2021 in Chemistry viewed by 299 People

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

Answered by admin @ 10/08/2021

Answer:

2 g H2 has maximum number of molecules

Explanation:

7 g N2 =7 NA /14 (NA =6.022 ×10^23)

=NA /2

2g H2 =NA

8 g O2=NA/2

20g NO2 =20 NA/46

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