sierrawillingham sierrawillingham
  • 25-10-2021
  • Chemistry
contestada


A prospector panning for gold (Au) in a river collects 15.00 g of pure gold. How many Au atoms are in this quantity of gold?

Respuesta :

PowerfulTree PowerfulTree
  • 25-10-2021

Answer:

There are 4.59*10^-24 atoms in 15.00 of pure gold.

Explanation:

Molar mass of gold is 196.996g/mol

[tex]\frac{15}{196.966} =0.076 mol[/tex]

0.076*(6.022*10^-23)=4.59*10^-24

Answer Link

Otras preguntas

If you pour a cup of coffee that is 200F , and set it in a room that is 68F, and 10 minutes later it is 145F, what temperature will it be 15 minutes after you o
Suppose the total cost for n tickets is $36 what's is the total cost of one more ticket is purchased
What is the name of the answer when we add
Write to Explain-Lucy danced for an hour, practicing ballet, jazz, and tap. She practiced twice as long on jazz as tap. She practiced ballet as many minute as t
What is 3•4 (5.2+3.8)+2.7
which statement best defines a universal law
What kinds of scientific investigations involve making observations?
What is the solution of the equation? w - 2 = -3
How many terms are in the expression 20x + 9y
Can two obtuse angles be complementary