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 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

275,608 rounded to the nearest thousand
what is 1 64/100 in simplest form? how do I solve it
What would be the magnification of a specimen viewed with a compound light microscope that has an objective power of 40x and an ocular lens power of 10x?
The agricultural revolution led to the need for organized a. greenhouse gas reform b. Technological reform c. Government d. Pest Control
Which of the following is not true about the evolution of biomes?
"It is against all reason to suppose that this content can long remain subject to any external power" this argument was stated by who?
What term is used for the division of political authority among branches of government? a. executive privilege b. federalism c. joint chiefs of staff d. sep
expanded form for 39,005
At a pet store the ratio of cats to dogs sold was 10:1. If there were 60 cast that were sold, how many dogs were sold?
what is the value of r+s+t when r = 26 , s= -12 , t= -8?