ebiondillo7893 ebiondillo7893

13-10-2017
Chemistry

contestada

What is the mass of 5.40×1021 platinum atoms?

Respuesta :

Kalahira Kalahira

23-10-2017

Moles = 4.81 x 10^21 / 6.02 x 10^23 =0.00799 Mass = 0.00897009966 mol x 195.08 g/mol = 1.74988704 grams = ~ 1.75 grams

Answer Link

Otras preguntas

Is there some way to report a user?

true/false. a. Venezuela is a socialist country where the average tariff rate on imports is 8.6%. This rate is fairly high. Non-tariff barriers restrict imports

Which number gives the same result if it is multiplied by 999/998 or if any number is added to it? Please give me the answer with an explanation! Thanks in adva

assuming no air frictoinand the shuttle waslunached rom each planet separently,in which case marse por earth wuld th space shuttle require more fuel to enter th

emergency surgery is scheduled for a client with a bowel obstruction. the licensed practical nurse (lpn) tells the registered nurse (rn) that she is unable to o

Is it possible to decrease inflation without causing a recession and its concomitant increase in unemployment? The orthodox answer is "no." whether they support

Toucans can eat fruits with large seeds because their large bills can open wide. Most other birds in the same forest can only eat small seeds. Ecologist Mauro G

dsl and fttp are examples of wired internet service technologies. a. fidelity b. broadband c. analog d. satellite

Describe las ventajas que ofrece la reutilizacion sobre el reciclado del cobre, plomo, aluminio y hierro?

How can 5 iii be worked out?