asked 80.1k views
1 vote
A scientist has found two samples of radioactive material. The first sample has a mass of 1.0 g and an activity of 2.0 mc022-1.jpg 109 decays per second (d/s). The second sample has an activity of 3.0 mc022-2.jpg 109 d/s. According to the Curies’ findings, what is the mass of the second sample?

1.0 g1.5 g 5.0  109 g

6.0  1018 g

2 Answers

6 votes
yea the answer is 1.5

answered
User Jurijs Kovzels
by
8.5k points
4 votes
1.5 g is your answer 
answered
User Bofjas
by
7.9k points
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