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

Britt hires a personal trainer for the summer. The trainer charges a $40 sign up fee plus $22.50 per hour. If Britt spends a total of $940 over the summer, how

plz help... mean and median

Which statement describes one difference between the independence movement in Algeria and the movements in Ghana and Kenya?

BRAINLIEST Remembering the events of the Holocaust helps us A. learn how to stop a genocide. B. honor the legacy of the victims. C. work to ensure that such eve

How did Gibbons v. Ogden affect federal law?

Characteristics help scientists_______ objects. 1. isolate 2.identify 3.theorize 4.quantify

________results in the formation of two new cells.

If an instrument measures in units of 2, then any value between which two values would be measured as 7? A) 5 and 9 B) 5.5 and 8.5 C) 6 and 8 D) 6.5 and 7.5

Which of the following is responsible for more than 40 percent of all deaths in the United States each year? a.skin cancer b.type 2 diabetes c.lung cancer d.Car

Roderick is counting the change on his dresser. He has twice as many pennies as he does dimes. He has twice the amount of dimes as he does nickels. He has 3 few