October 2018 1 50 Report
4. La formula química NO2 puede representar a

I) Una molécula de NO2
II) Un mol de NO2
III) 6, 02x1023 moléculas de NO2

a. Solo la I
b. Solo la II
c. Solo la III
d. I. II y III
e. Solo II y III

ayuda plis :)
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