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

Identify the conclusion of the following statement: If two lines are parallel, their alternate Interior angles are congruent. Select the best answer from the ch

Pascoreli Clothing is a clothing component of Lucha Libre, Inc. Pascoreli has been losing $35,000 per month since April 1 20X7. On May 31, 20x8, Lucha Libre’s m

I do now the ones on top but I need help with the last 2

Acme LLC has already paid $10,000,000 in Research & Development costs. Unfortunately, times have changed. Since they started R&D, the market for their n

DNA’s diameter is 0.000000002 meters. What is this measurement in scientific notation? a. 2.0 x 109 m b. 2.0 x 10-9 m c. 20.0 x 10-10 m d. 0.2 x 10-8 m

Rapid Rental Car charges a $40 rental fee, $20 for gas, and $0.55 per mile driven. For the same car, Capital Cars charges $50 for rental and gas and $0.65 per m

Which of the following is not a type of trade barrier? A. a tariff B. a quota C. a patent D. an embargo

Considere as retas y = 5x + 8 e y = -5x + 8. É CORRETO afirmar que: a) As retas são paralelas. b) As retas são perpendiculares. c) O ponto (4,...

Which family owns the land, legally? in interlopers

The arrow is pointing to the in a plant cell.