October 2023 1 7 Report
AYUDAA DOY CORONAAA
La cantidad de átomos de calcio que hay en 13,5 gr. de este metal es:

A)6,02 x 10*23

B)5,31 x 10* -24

C)2,03 x 10*23

D)1,20 x 10*25

E)1,20 x 10*21
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