Styrene's Empirical Formula Is CH

question 39

Multiple Choice

Styrene's empirical formula is CH.When it is heated to 200°C,it is converted into a polymer,polystyrene,which has excellent insulating properties.What mass of styrene contains 1.77 × 10²¹ molecules of styrene? The molar mass of styrene is 104 g/mol.

• A)0.00293 g
• B)0.305 g
• C)0.587 g
• D)0.0382 g
• E)0.0235 g

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