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

which point is a reflection of point R(-2, 9) first across the y-axis and then across the x-axis? A.(-9, -2) B.(-2, -9) C.2, -9) D.(9, -2)

when --- equals the force of gravity on a falling object, the object reaches terminal velocity.

During the election for class president 40% of the students order for Jennifer and 60% of the students voted for Kevin 300 students voted in total how many mor

Can someone please help me solve this problem?

How do you solve 90.5 divided 7.3?

The population of a city is expected to increase by 7.5% next year. If p represents the current population, write an expression that represents the expected pop

How does an octopus make a screen

is the relationship between 6 and the number of 6s 6,641

Which is most likely an acquired trait in horses? A. color of fur B. length of ears C. ability to run D. a slight limp

Water moves between the ocean, atmosphere, and land. In which form does water enter the atmosphere?