If the half-life of a 20.0g is known to be 24 minutes, how long will it take for only 5.0 grams of the sample to remain
A.6 minutes
B.24 minutes
C.48 minutes
D.96 minutes
I NEED HELP!!!!
Answers are
b
d
d
c 100%
Its c
4/4 100% B,D,D,C
5g is 1/4 of 20g, so that's 2 half-lives
2x24 = 48 minutes, so you are correct.
IS IT.....C?
i think its c but i'm not sure science is not my strong suit. this one is difficult.
Hey! That's just what I'm trying to figure out! Maybe you ca help me!
i realy dont know
masta yoda is true
b
d
d
c
B
D
D
C
Is right!