Jessicawilliams7096 Jessicawilliams7096
  • 12-09-2017
  • Chemistry
contestada

Find the total number of atoms in a sample of cocaine hydrochloride, c17h22clno4, of mass 22.5 mg .

Respuesta :

Kalahira
Kalahira Kalahira
  • 25-09-2017
Total MW: C: 17(12.0) = 204.0 H: 22(1.01) = 22.22 Cl: 1(35.453)= 35.453 N: 1(14.0) = 14.0 O: 4(16.0) = 64.0 Total: 339.7 g/mole Total number of atoms: 17+22+1+1+4 = 45 (22.5 x 10^-3 g)(1 mole/339.7 g)(6.022 x 10^23 molecules/mole)(45 total atoms/ molecules) =1.79 x 10^21 total atoms
Answer Link

Otras preguntas

A student kept track of the prizes won in a contest over several months. What is the probability that someone who won a prize won an audio player in thi
what was the most important trait of the maya empire
The rectangular prism shown has a length of 5 cm, a height of 3 cm, and a width of 4 cm. What is the surface area of this prism?
A driveway that is 30 feet long, 18 feet wide, and 4 inches thick.
What can the legislative branch do if the president vetoes a bill? It can override the veto by requiring ratification by three-fourths of the states. It can o
A waiter received a tip of $18. What percent was the tip of the bill of $90?
the aspect ratio of tire P245/70R16 is 245 70 16 5/7
How many more students like baseball ⚾️ than tennis ??
Jillian is looking up certain cities' elevations. She finds that New Orleans is 7 feet below sea level and that Oklahoma City is about 1000 feet above sea level
What other social issues are a result of high unemployment?