al6iceBowtaagaliema al6iceBowtaagaliema

23-09-2016
Chemistry

contestada

what is the mass of 5.35×1021 platinum atoms?

Respuesta :

HomertheGenius HomertheGenius

05-10-2016

Atomic weight of a Platinum:
195.078 u = 195.078 * 1.66 * 10^(-27) kg = 3.2382948 * 10^(-25) kg
m ( Pt ) = 3.2382948 * 10^(-25) * 5.35 * 10^(21) =
= 1.732488 * 10^(-3) kg = 1.732448 g

Answer Link

Otras preguntas

Simplify the expression:6(x+4)+1

Which of the following nations are members of the Organization of Petroleum Exporting Countries (OPEC)? Select all that apply. Saudi Arabia United Kingdom Red C

France, Unclaimed, Spain, England

If the pituitary gland is not functioning properly, how might it effect the human body

what is 4 1/6 - 2 5/6 =

How did the economy affect the choices women had?

Anyone good with scientific notations? I sure am not

If your salary is $42,500 and your federal income taxes are 10% of your salary, how much money will you owe this year in federal taxes? Assume you have no deduc

As of july 31, 2012, how many foreign terrorist organizations were recognized by the u.s. state department?

Which of these battles did NOT take place in the Western Theater of the Civil War?