Respuesta :
Use the molar mass to calculate it take the amount of moles times the molar mass
Answer:
See explanation
Explanation:
To do this, let's part with an example. Let's suppose we have 3.6 moles of CO₂ and 2.5 moles of H₂O.
To do the conversion of moles to mass, you can either use a conversion factor or the formula which is:
m = n * MM (1)
Where:
n: moles
MM: molar mass of compound.
From the above formula we can have a conversion factor. First, the reported molar mass of CO₂ is 44 g/mol
So with the above formula, we just need to replace and we get the conversion factor:
m = 3.6 moles * 44 g/moles ---> cancel moles:
m = 158.4 g
And this is how we convert moles to mass.
For the case of moles to molecules, we use the avogadro number which is 6.02x10²³. And we know with this that in 1 mole of any compound we have 6.02x10²³ atoms or molecule, so:
1 mole ------> 6.02x10²³ molecules
the conversion factor is the above, then to convert the moles of water:
molecules of water = 2.5 moles * 6.02x10²³ molecules/mole
molecules of water = 1.505x10²⁴ molecules
And this is how we convert moles to molecules
