Sulfur trioxide can react with atmospheric water vapor to form sulfuric acid that falls as acid rain. Calculate the mass in grams of 3.65 × 1020 molecules of SO3.

The mass of sulfur trixoide is 0.0485 g

Explanation:

We are given:

Molecules of sulfur trixoide =

According to mole concept:

number of molecules are present in 1 mole of a compound

So, number of molecules will be present in =

To calculate the number of moles, we use the equation:

Moles of sulfur trixoide =

Molar mass of sulfur trioxide = 80 g/mol

Putting values in above equation, we get:

Hence, the mass of sulfur trixoide is 0.0485 g

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