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

Take the book to your mother. Label the sentence parts.

Evaluate. 2^−2⋅(12⋅3)−5^3 Enter your answer in the box.

What does it mean when ones ideas must be broad as nature if they are to interpret nature?

How was the manorialism both a political and economic system?

What is the difference between amino acids and carbohydrates?

Why was the Confederacy interested in Indian Territory during the Civil War? i. It had a large supply of livestock. ii. It could serve as a buffer zone to help

The height of Jake's window is 5x - 3 inches and the width is 3x + 2 inches. What is the perimeter of Jake's window ?

Who were two key individuals in the Underground Railroad?A. John Tyler & Elizabeth BlackwellB. Nat Turner & Elizabeth Cady StatonC. Fredrick Douglas &am

A race car traveling at 10. meters per second accelerates at the rate of 1.5 meters per seconds while traveling a distance of 7,467m. The final speed of the rac

QUESTION 25 The CPI basket contains 400 oranges and 800 pens. In the base year, the price of an orange is $1.00 and the price of a pen is $0.75. This year, urba