Posted by Jasmine08 on Sunday, November 2, 2008 at 4:57pm.
ln(No/N) = kt
No = 7.500 mg
N = 0.469 mg
t = 14 min
solve for k.
Substitute k into the following:
k = 0.693/t1/2
tanx 4 the help:)
Related Questions
chemistry - a 7.500-mg sample of chromium-55 is analyzed after 14.0 min and ...
Chemistry - Chromium-48 has a short half-life of 21.6 h. How long will it take ...
chemistry - last one, i PROMISE A compound containing only C, H, O and Cr was ...
Chemistry - A 2.52 mg sample of the compound didemnin – C was ...
chemistry - A car bumper is plated with chromium using chromium(III) ions in ...
Chemistry - The radius of a chromium atom is 125 pm. How many chromium atoms ...
Chemistry - In a reaction, 39.5 g of chromium(III) oxide reacts with 14.0 g of ...
chemistry - In a reaction, 37.5 g of chromium(III) oxide reacts with 13.3 g of ...
Chemistry - In a reaction, 34.6 g of chromium(III) oxide reacts with 12.3 g of ...
Chemistry - the half-life of cobalt-60 is 5.20 years.. how many milligrams of a ...
For Further Reading
