3 years ago

How many atoms are in 45.6 g gold, Au

1 answer:

5 0

<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles.

45.6 g Au ( 1 mol / 196.97 g ) ( </span>6.022 x 10^23 atoms / mole ) = 1.39x10^23 atoms Au

You might be interested in

Who know the answers for both of these or know were to get them from

pentagon [3]

Answer:

kdkekejdjejeneneenendjenejekeke do do do do do do d

8 0

2 years ago

Read 2 more answers

What is the iupac name of ch3ch2ch2ch2ch2ch3

Alborosie

Answer:

hexane

Explanation:

3 0

3 years ago

What is the equilibrium expression for the reatcion bellow<br><br> 2SO3(g)<=>O2(g)+2SO2(g)

Luda [366]

Answer:

[O2(g)][SO2(g)]^2/[SO3(g)]^2

8 0

3 years ago

Calculate the energy needed to raise the temperature of 42 grams of water from 25.0 degrees Celsius to 48 degrees Celsius. The s

7nadin3 [17]

Answer:

option B is the answer.

B. 8266 calories

4 0

2 years ago

Read 2 more answers

Can spectrum colors be mixed

larisa86 [58]

Additive color mixing involves multiple sources of light with different colors in each source. Subtractive color mixing involves a single source of light with different colors absorbing various wavelengths of the color spectrum. Secondary colors of one system serve as the primary colors for the other.

8 0

2 years ago