Question

Calculate the number of molecules in 6.2gram of formaldehyde

Answer 1

Answer: hello dear,

Divide the mass of the molecular substance by its molar mass to get moles. Then multiply times  

6.022

×

10

23

molecules

1

mol

.

Explanation:

Determine the mass of the substance, and its molar mass. Divide the given mass by its molar mass to get moles, then multiply times  

6.022

×

10

23

molecules

1

mol