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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 ?
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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
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7.3k points

2 Answers

7 votes
It it 23k bc they only have 2367 factors
User Gouessej
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8.1k 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
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8.7k points
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