hayqlee hayqlee

16-06-2021
Chemistry

contestada

What is the total mass of a 10 gram sample of 42K that will
remain unchanged after 12.4 hours?
A 2.5 g
B 5.0g
C 7.5 g
D 10 g

Respuesta :

chumgarcia1011 chumgarcia1011

16-06-2021

The answer would be 5.0g because they are evenly 5 and 5 in 12 hours so they won’t be as long

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