usserymackenzi usserymackenzi

10-10-2016
Chemistry

contestada

Mercury-197 has a half life of 3 days. Starting with 300 grams, how much remains in 3 weeks? (Round to two places)

Respuesta :

10-10-2016

each > = 3 days
300g > 150g > 75g > 37.5g > 18.75g > 9.375g > 4.6875g > 2.34375g
Thus,mass remaining = 2.34g(2 d.p.)

Answer Link

Otras preguntas

Help solve #2 please

Im not sure what the answer is

what would an organism need to adapt?

What is the answer PLSSSSSSS HELP

A person is standing on the edge of a merry-go-round that has a radius of 2.0m is travelling at 5m/s. How long does it take for them to complete one lap?

What are two characteristics of the North's industrial economy? A. cotton gin and slaves B. assembly lines & interchangeable parts C. slaves & indenture

On January 1, year 8, Crimson Corp., a closely held corporation, issued 5% bonds with a maturity value of $90,000, together with 1,500 shares of its $3 par valu

Please help! How does the organizational structure of this passage support the author's purpose? Schools should provide students with a healthy meal at the beg

***Please help!! Example: llequé llegamos llegaste llegó llegaron I arrived We arrived You arrived He or S

PLZZZZZZ HELP I DON'T WANNA GET IT WRONG Rosa wants to buy a sweater that is on sale for 25% off. The original price of the sweater is $21.00. About how much m