tatouchette5891 tatouchette5891

01-08-2022
Chemistry

contestada

A 200. 0-ng sample of sodium-24 was stored in a lead-lined cabinet for 45 hours. The half-life of sodium-24 is 15 hours. How much sodium-24 remains?

Respuesta :

jsimpson11000 jsimpson11000

01-08-2022

Answer:

25 gm would be left

Explanation:

45 hours is 3 half lives

200 gm * 1/2 * 1/2 * 1/2 = 25 gm

Answer Link

Otras preguntas

What id the answer to this equation? Please show your solution. tan x = -sqrt(3).

Why was the Tet Offensive considered a turning point in the Vietnam War? A. The United States and South Vietnam won a strategic victory. B. The massacre of una

What is the value of cos(2npi)??

What is the difference between consequences and implications?

ehghhhsofljaf ljf sjflsd jljdflsjdf

Which statement about nonfiction writing is accurate? A. Nonfiction writers base their characters on real people. B. Nonfiction writers have to follow a clear

Karen wants to join Buff Gym. There is a $100 initiation fee, and then a $40 monthly fee. A) Determine the equation that expresses the cost of joining this gym

Sara loves to go hiking. This week she hiked 3 miles on Monday, 4 miles on Tuesday, and 3 miles on Thursday. Last week Sara hiked 8 miles. How many more miles d

Explain why American Indians were so diverse in 1491.

How to add or subtract radians? For example: pi/3 - pi/6 ?