161k views
4 votes
Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 g of 32P, how many grams will remain after 42.0 days ?

User DoubleE
by
6.0k points

2 Answers

7 votes
It it 23k bc they only have 2367 factors
User Gouessej
by
6.7k points
4 votes
6g...........3g..........1,5g........0,75g
0d..........14d.........28d.........42d

After 42 days 0,75g of Phoshorus-32 will remain.
User Aednichols
by
7.3k points