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

Number 9 , need help

How many quarters can you fail without failing a class

Andy was on his way to a marble tournament when he met Bob. Andy's bag of marbles was heavy, so he gave Bob 1/2 of his marbles plus two. Then he met Alex and ga

An atom containing 16 protons, 31 neutrons, and 16 electrons would have an atomic mass of

Find a number that is between 6/11 and 0.67 repeating. A. 11/18 B. 69/99 C. 24/33 D. 26/55

A _______________ character has multiple or conflicting motivations.

Why is there a residency requirement to become President? so no young people will be President to ensure someone is mature enough to prevent non-citizens fro

what is a hexagon it is in my math q so i am j wondering

Ron frequently uses the word improving in his blog. He types the word imp and the word improving appears. Which feature of his software does Ron use? Ron uses a

what is the decimal form?4 1/3 4.13 4.3…