Register

1) Os-182 has a half-life of 21.5 hours. How many grams of a 10 g sample would have decayed after exactly three half-lives?

1) Os-182 has a half-life of 21.5 hours. How many grams of a 10 g sample would have decayed after exactly three half-lives?
asked 180k views
4 votes
1) Os-182 has a half-life of 21.5 hours. How many grams of a 10 g sample would have decayed after

exactly three half-lives?

asked
User Dzmitry Prakapenka
by
8.6k points

1 Answer

7 votes

Answer:

1.25 g

Step-by-step explanation:

.5^3 = 0.125

0.125*10 = 1.25 g

answered
User Zimmerbimmer
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
Link Copied!