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

Find (2n - 3)(n + 4).

a rectangular piece of paper 71 cm long and 10m wide . a cylinder is formed by rolling the paper along its length , find volume ??

Find f(−2) given that f(x)=2x2−3x+7.

New Mexico's climate would best match which two Texas Regions? Select one: North Central Plains and Gulf Coastal Plains Mountains and Basins and Great Plains Gr

in 1907, Duncan preformed a series experiments in which he attempted to measure the weight of a soul as it left a dying person in his experiment McDowell cool p

Triple the difference of 100 and double this number is the same as 6 more than 36 times this number. Find this number

Mary has three baking pans. Each pan is 8"×8"×3" which expression will give her the total volume of the pans?

What next three numbers come in this sequence 1/4, 1/2, 3/4

Which is the lean principle where managers and employees seek to uncover waste in business activities including accounting activities such as payroll and disbur

Which statements reflect your experience with studying? Check all that apply.