arianacool5012 arianacool5012

03-03-2018
Chemistry

contestada

Gold has a molar (atomic) mass of 197 g/mol. consider a 2.47 g sample of pure gold vapor. (a) calculate the number of moles of gold present

Respuesta :

jcherry99 jcherry99

03-03-2018

n = given mass/ molar mass.
n = number of moles
given mass = 2.47 g
molar mass = 197 g/mol

n = 2.47 / 197
n = 0.01253 moles.
I'm sure you wanted to ask more than this. Just put some comments in. I can do the same.

Answer Link

Otras preguntas

the ratio of the length 7.2 meters and the length of 3.2 meters is?

When did michigan state win the rose bowl?

Nasim's class is discussing global warming. colton notes that carbon emissions are up 15 percent in the last 10 years and that the average temperature worldwide

When an economic model is used, it tends to:?

This is needed before the Department of Defense can spend money.a.a popular votec.an entitlementb.congressional approvald.a special tax

The oceans level is currently rising at about 2 mm per year at this rate in how many years will sea level be 3 m higher than now answer in units of wine

A recent survey found that 65 percent of americans look up political information on the internet. these are examples of what kind of citizenship?

Jerry`s___ cooking is the best! Mothers Mother`s Mothers`

what is the slope of the line whose equation is 4y-6x+16=0

Which of the following shows the factors of 2y^2 - 2y - 4? Select one of the options below as your answer: A. (2y - 4)(y - 1) B. (2y - 4)(y + 1) C. (2y - 2)(y -